38872401 has 4 divisors (see below), whose sum is σ = 51829872. Its totient is φ = 25914932.

The previous prime is 38872397. The next prime is 38872411. The reversal of 38872401 is 10427883.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38872401 - 2² = 38872397 is a prime.

It is a super-2 number, since 2×38872401² = 3022127119009602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38872411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6478731 + ... + 6478736.

It is an arithmetic number, because the mean of its divisors is an integer number (12957468).

Almost surely, 2^38872401 is an apocalyptic number.

It is an amenable number.

38872401 is a deficient number, since it is larger than the sum of its proper divisors (12957471).

38872401 is a wasteful number, since it uses less digits than its factorization.

38872401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12957470.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 38872401 is about 6234.7735323747. The cubic root of 38872401 is about 338.7508981789.

The spelling of 38872401 in words is "thirty-eight million, eight hundred seventy-two thousand, four hundred one".