33449436 has 42 divisors (see below), whose sum is σ = 87772272. Its totient is φ = 11148840.

The previous prime is 33449431. The next prime is 33449447. The reversal of 33449436 is 63494433.

It is a happy number.

It is a super-2 number, since 2×33449436² = 2237729537436192, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 33449436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33449431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2820 + ... + 8651.

It is an arithmetic number, because the mean of its divisors is an integer number (2089816).

Almost surely, 2^33449436 is an apocalyptic number.

33449436 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

33449436 is an abundant number, since it is smaller than the sum of its proper divisors (54322836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33449436 is a wasteful number, since it uses less digits than its factorization.

33449436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11493 (or 11476 counting only the distinct ones).

The product of its digits is 93312, while the sum is 36.

The square root of 33449436 is about 5783.5487375832. The cubic root of 33449436 is about 322.2030148590.

It can be divided in two parts, 334 and 49436, that added together give a triangular number (49770 = T₃₁₅).

The spelling of 33449436 in words is "thirty-three million, four hundred forty-nine thousand, four hundred thirty-six".