33840504 has 40 divisors (see below), whose sum is σ = 94786560. Its totient is φ = 11279952.

The previous prime is 33840493. The next prime is 33840509. The reversal of 33840504 is 40504833.

It is a happy number.

It is a super-2 number, since 2×33840504² = 2290359421948032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33840509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25464 + ... + 26759.

It is an arithmetic number, because the mean of its divisors is an integer number (2369664).

Almost surely, 2^33840504 is an apocalyptic number.

It is an amenable number.

33840504 is an abundant number, since it is smaller than the sum of its proper divisors (60946056).

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

33840504 is a wasteful number, since it uses less digits than its factorization.

33840504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52241 (or 52228 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 33840504 is about 5817.2591484306. The cubic root of 33840504 is about 323.4538122838.

The spelling of 33840504 in words is "thirty-three million, eight hundred forty thousand, five hundred four".