32890931 has 2 divisors, whose sum is σ = 32890932. Its totient is φ = 32890930.

The previous prime is 32890883. The next prime is 32890951. The reversal of 32890931 is 13909823.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32890931 - 2²² = 28696627 is a prime.

It is a super-2 number, since 2×32890931² = 2163626684093522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 32890891 and 32890900.

It is not a weakly prime, because it can be changed into another prime (32890951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16445465 + 16445466.

It is an arithmetic number, because the mean of its divisors is an integer number (16445466).

Almost surely, 2^32890931 is an apocalyptic number.

32890931 is a deficient number, since it is larger than the sum of its proper divisors (1).

32890931 is an equidigital number, since it uses as much as digits as its factorization.

32890931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 32890931 is about 5735.0615515442. The cubic root of 32890931 is about 320.3996666409.

The spelling of 32890931 in words is "thirty-two million, eight hundred ninety thousand, nine hundred thirty-one".