38868915 has 8 divisors (see below), whose sum is σ = 62190288. Its totient is φ = 20730080.

The previous prime is 38868913. The next prime is 38868971. The reversal of 38868915 is 51986883.

38868915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 38868915 - 2¹ = 38868913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38868913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1295616 + ... + 1295645.

It is an arithmetic number, because the mean of its divisors is an integer number (7773786).

Almost surely, 2^38868915 is an apocalyptic number.

38868915 is a deficient number, since it is larger than the sum of its proper divisors (23321373).

38868915 is a wasteful number, since it uses less digits than its factorization.

38868915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591269.

The product of its digits is 414720, while the sum is 48.

The square root of 38868915 is about 6234.4939650304. The cubic root of 38868915 is about 338.7407717061.

The spelling of 38868915 in words is "thirty-eight million, eight hundred sixty-eight thousand, nine hundred fifteen".