38976831 has 12 divisors (see below), whose sum is σ = 56881552. Its totient is φ = 25716096.

The previous prime is 38976829. The next prime is 38976853. The reversal of 38976831 is 13867983.

It is a happy number.

It is not a de Polignac number, because 38976831 - 2¹ = 38976829 is a prime.

It is a super-2 number, since 2×38976831² = 3038386709605122, 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 (38976871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21451 + ... + 23196.

Almost surely, 2^38976831 is an apocalyptic number.

38976831 is a deficient number, since it is larger than the sum of its proper divisors (17904721).

38976831 is a wasteful number, since it uses less digits than its factorization.

38976831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44750 (or 44747 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 38976831 is about 6243.1427182149. The cubic root of 38976831 is about 339.0539763167.

The spelling of 38976831 in words is "thirty-eight million, nine hundred seventy-six thousand, eight hundred thirty-one".