33485320 has 32 divisors (see below), whose sum is σ = 82192320. Its totient is φ = 12176320.

The previous prime is 33485317. The next prime is 33485321. The reversal of 33485320 is 2358433.

It is a super-2 number, since 2×33485320² = 2242533311004800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33485321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37612 + ... + 38491.

It is an arithmetic number, because the mean of its divisors is an integer number (2568510).

Almost surely, 2^33485320 is an apocalyptic number.

It is an amenable number.

33485320 is an abundant number, since it is smaller than the sum of its proper divisors (48707000).

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

33485320 is a wasteful number, since it uses less digits than its factorization.

33485320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76125 (or 76121 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 33485320 is about 5786.6501535863. The cubic root of 33485320 is about 322.3181916985.

It can be divided in two parts, 3348 and 5320, that added together give a palindrome (8668).

The spelling of 33485320 in words is "thirty-three million, four hundred eighty-five thousand, three hundred twenty".