38976381 has 12 divisors (see below), whose sum is σ = 56626908. Its totient is φ = 25833024.

The previous prime is 38976367. The next prime is 38976383. The reversal of 38976381 is 18367983.

It is a happy number.

38976381 is a `hidden beast` number, since 3 + 8 + 9 + 7 + 638 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19660356 + 19316025 = 4434^2 + 4395^2 .

It is not a de Polignac number, because 38976381 - 2⁶ = 38976317 is a prime.

It is a super-2 number, since 2×38976381² = 3038316551714322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38976383) 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, 10960 + ... + 14073.

It is an arithmetic number, because the mean of its divisors is an integer number (4718909).

Almost surely, 2^38976381 is an apocalyptic number.

It is an amenable number.

38976381 is a deficient number, since it is larger than the sum of its proper divisors (17650527).

38976381 is a wasteful number, since it uses less digits than its factorization.

38976381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25212 (or 25209 counting only the distinct ones).

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

The square root of 38976381 is about 6243.1066785696. The cubic root of 38976381 is about 339.0526714827.

The spelling of 38976381 in words is "thirty-eight million, nine hundred seventy-six thousand, three hundred eighty-one".