38031972 has 48 divisors (see below), whose sum is σ = 101025792. Its totient is φ = 11022880.

The previous prime is 38031937. The next prime is 38031991. The reversal of 38031972 is 27913083.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3228 + ... + 9299.

It is an arithmetic number, because the mean of its divisors is an integer number (2104704).

Almost surely, 2^38031972 is an apocalyptic number.

It is an amenable number.

38031972 is an abundant number, since it is smaller than the sum of its proper divisors (62993820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38031972 is a wasteful number, since it uses less digits than its factorization.

38031972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12568 (or 12566 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 38031972 is about 6167.0067293623. The cubic root of 38031972 is about 336.2918029131.

It can be divided in two parts, 3803 and 1972, that added together give a palindrome (5775).

The spelling of 38031972 in words is "thirty-eight million, thirty-one thousand, nine hundred seventy-two".