32840090 has 64 divisors (see below), whose sum is σ = 67371264. Its totient is φ = 11455488.

The previous prime is 32840077. The next prime is 32840111. The reversal of 32840090 is 9004823.

It is a super-2 number, since 2×32840090² = 2156943022416200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144557 + ... + 144783.

It is an arithmetic number, because the mean of its divisors is an integer number (1052676).

Almost surely, 2^32840090 is an apocalyptic number.

32840090 is an abundant number, since it is smaller than the sum of its proper divisors (34531174).

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

32840090 is a wasteful number, since it uses less digits than its factorization.

32840090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 32840090 is about 5730.6273653065. The cubic root of 32840090 is about 320.2344960880.

The spelling of 32840090 in words is "thirty-two million, eight hundred forty thousand, ninety".