38926431 has 6 divisors (see below), whose sum is σ = 56227080. Its totient is φ = 25950948.

The previous prime is 38926429. The next prime is 38926451. The reversal of 38926431 is 13462983.

38926431 is a `hidden beast` number, since 3 + 8 + 9 + 2 + 643 + 1 = 666.

It is not a de Polignac number, because 38926431 - 2¹ = 38926429 is a prime.

It is a super-2 number, since 2×38926431² = 3030534060795522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38926411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2162571 + ... + 2162588.

It is an arithmetic number, because the mean of its divisors is an integer number (9371180).

Almost surely, 2^38926431 is an apocalyptic number.

38926431 is a deficient number, since it is larger than the sum of its proper divisors (17300649).

38926431 is a wasteful number, since it uses less digits than its factorization.

38926431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325165 (or 4325162 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 38926431 is about 6239.1049838899. The cubic root of 38926431 is about 338.9077724415.

The spelling of 38926431 in words is "thirty-eight million, nine hundred twenty-six thousand, four hundred thirty-one".