33434340 has 48 divisors (see below), whose sum is σ = 95024832. Its totient is φ = 8781696.

The previous prime is 33434321. The next prime is 33434351. The reversal of 33434340 is 4343433.

It is a super-2 number, since 2×33434340² = 2235710182471200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33434340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139 + ... + 8178.

It is an arithmetic number, because the mean of its divisors is an integer number (1979684).

Almost surely, 2^33434340 is an apocalyptic number.

33434340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33434340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47512416).

33434340 is an abundant number, since it is smaller than the sum of its proper divisors (61590492).

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

33434340 is a wasteful number, since it uses less digits than its factorization.

33434340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8396 (or 8394 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

The square root of 33434340 is about 5782.2435092272. The cubic root of 33434340 is about 322.1545366264.

Adding to 33434340 its reverse (4343433), we get a palindrome (37777773).

It can be divided in two parts, 3 and 3434340, that added together give a palindrome (3434343).

The spelling of 33434340 in words is "thirty-three million, four hundred thirty-four thousand, three hundred forty".