32394981 has 16 divisors (see below), whose sum is σ = 45593600. Its totient is φ = 20402928.

The previous prime is 32394917. The next prime is 32395003. The reversal of 32394981 is 18949323.

It is not a de Polignac number, because 32394981 - 2⁶ = 32394917 is a prime.

It is a super-2 number, since 2×32394981² = 2098869587980722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32394881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30660 + ... + 31698.

It is an arithmetic number, because the mean of its divisors is an integer number (2849600).

Almost surely, 2^32394981 is an apocalyptic number.

It is an amenable number.

32394981 is a deficient number, since it is larger than the sum of its proper divisors (13198619).

32394981 is a wasteful number, since it uses less digits than its factorization.

32394981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608.

The product of its digits is 46656, while the sum is 39.

The square root of 32394981 is about 5691.6588970176. The cubic root of 32394981 is about 318.7811085363.

The spelling of 32394981 in words is "thirty-two million, three hundred ninety-four thousand, nine hundred eighty-one".