38017872 has 30 divisors (see below), whose sum is σ = 106397642. Its totient is φ = 12672576.

The previous prime is 38017867. The next prime is 38017883. The reversal of 38017872 is 27871083.

It can be written as a sum of positive squares in only one way, i.e., 21566736 + 16451136 = 4644^2 + 4056^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 131863 + ... + 132150.

Almost surely, 2^38017872 is an apocalyptic number.

It is an amenable number.

38017872 is an abundant number, since it is smaller than the sum of its proper divisors (68379770).

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

38017872 is a wasteful number, since it uses less digits than its factorization.

38017872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264027 (or 264018 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 38017872 is about 6165.8634431846. The cubic root of 38017872 is about 336.2502387564.

The spelling of 38017872 in words is "thirty-eight million, seventeen thousand, eight hundred seventy-two".