38825631 has 12 divisors (see below), whose sum is σ = 60395608. Its totient is φ = 23892624.

The previous prime is 38825623. The next prime is 38825639. The reversal of 38825631 is 13652883.

It is an interprime number because it is at equal distance from previous prime (38825623) and next prime (38825639).

It is not a de Polignac number, because 38825631 - 2³ = 38825623 is a prime.

It is a super-2 number, since 2×38825631² = 3014859245096322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38825639) 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, 165805 + ... + 166038.

Almost surely, 2^38825631 is an apocalyptic number.

38825631 is a deficient number, since it is larger than the sum of its proper divisors (21569977).

38825631 is a wasteful number, since it uses less digits than its factorization.

38825631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331862 (or 331859 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 38825631 is about 6231.0216658266. The cubic root of 38825631 is about 338.6149856598.

The spelling of 38825631 in words is "thirty-eight million, eight hundred twenty-five thousand, six hundred thirty-one".