33449149 has 6 divisors (see below), whose sum is σ = 35532794. Its totient is φ = 31481280.

The previous prime is 33449089. The next prime is 33449161. The reversal of 33449149 is 94194433.

It can be written as a sum of positive squares in 3 ways, for example, as 3276100 + 30173049 = 1810^2 + 5493^2 .

It is not a de Polignac number, because 33449149 - 2¹⁹ = 32924861 is a prime.

It is a super-2 number, since 2×33449149² = 2237691137648402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33449179) 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 5 ways as a sum of consecutive naturals, for example, 57582 + ... + 58159.

Almost surely, 2^33449149 is an apocalyptic number.

It is an amenable number.

33449149 is a deficient number, since it is larger than the sum of its proper divisors (2083645).

33449149 is a wasteful number, since it uses less digits than its factorization.

33449149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115775 (or 115758 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 33449149 is about 5783.5239257740. The cubic root of 33449149 is about 322.2020933434.

The spelling of 33449149 in words is "thirty-three million, four hundred forty-nine thousand, one hundred forty-nine".