38131432 has 16 divisors (see below), whose sum is σ = 71668800. Its totient is φ = 19019760.

The previous prime is 38131421. The next prime is 38131441. The reversal of 38131432 is 23413183.

38131432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×38131432² = 2908012212741248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38131397 and 38131406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2082 + ... + 8977.

It is an arithmetic number, because the mean of its divisors is an integer number (4479300).

Almost surely, 2^38131432 is an apocalyptic number.

It is an amenable number.

38131432 is a deficient number, since it is larger than the sum of its proper divisors (33537368).

38131432 is a wasteful number, since it uses less digits than its factorization.

38131432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11496 (or 11492 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 38131432 is about 6175.0653437838. The cubic root of 38131432 is about 336.5847009340.

It can be divided in two parts, 381 and 31432, that added together give a palindrome (31813).

The spelling of 38131432 in words is "thirty-eight million, one hundred thirty-one thousand, four hundred thirty-two".