32316990 has 16 divisors (see below), whose sum is σ = 77560848. Its totient is φ = 8617856.

The previous prime is 32316961. The next prime is 32317013. The reversal of 32316990 is 9961323.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538587 + ... + 538646.

It is an arithmetic number, because the mean of its divisors is an integer number (4847553).

Almost surely, 2^32316990 is an apocalyptic number.

32316990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

32316990 is an abundant number, since it is smaller than the sum of its proper divisors (45243858).

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

32316990 is a wasteful number, since it uses less digits than its factorization.

32316990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077243.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 32316990 is about 5684.8034266806. The cubic root of 32316990 is about 318.5250808512.

The spelling of 32316990 in words is "thirty-two million, three hundred sixteen thousand, nine hundred ninety".