38572431 has 8 divisors (see below), whose sum is σ = 52684464. Its totient is φ = 25087680.

The previous prime is 38572427. The next prime is 38572447. The reversal of 38572431 is 13427583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38572431 - 2² = 38572427 is a prime.

It is a super-2 number, since 2×38572431² = 2975664866499522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38572392 and 38572401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38572411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156676 + ... + 156921.

It is an arithmetic number, because the mean of its divisors is an integer number (6585558).

Almost surely, 2^38572431 is an apocalyptic number.

38572431 is a deficient number, since it is larger than the sum of its proper divisors (14112033).

38572431 is a wasteful number, since it uses less digits than its factorization.

38572431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313641.

The product of its digits is 20160, while the sum is 33.

The square root of 38572431 is about 6210.6707367240. The cubic root of 38572431 is about 337.8772911008.

The spelling of 38572431 in words is "thirty-eight million, five hundred seventy-two thousand, four hundred thirty-one".