38868937 has 4 divisors (see below), whose sum is σ = 39020436. Its totient is φ = 38717440.

The previous prime is 38868913. The next prime is 38868971. The reversal of 38868937 is 73986883.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24000201 + 14868736 = 4899^2 + 3856^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38868937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38868997) 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, 75364 + ... + 75877.

It is an arithmetic number, because the mean of its divisors is an integer number (9755109).

Almost surely, 2^38868937 is an apocalyptic number.

It is an amenable number.

38868937 is a deficient number, since it is larger than the sum of its proper divisors (151499).

38868937 is a wasteful number, since it uses less digits than its factorization.

38868937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151498.

The product of its digits is 1741824, while the sum is 52.

The square root of 38868937 is about 6234.4957294075. The cubic root of 38868937 is about 338.7408356158.

The spelling of 38868937 in words is "thirty-eight million, eight hundred sixty-eight thousand, nine hundred thirty-seven".