38872615 has 16 divisors (see below), whose sum is σ = 48509280. Its totient is φ = 29868160.

The previous prime is 38872609. The next prime is 38872637. The reversal of 38872615 is 51627883.

It is not a de Polignac number, because 38872615 - 2⁵ = 38872583 is a prime.

It is a super-2 number, since 2×38872615² = 3022160393876450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32325 + ... + 33505.

It is an arithmetic number, because the mean of its divisors is an integer number (3031830).

Almost surely, 2^38872615 is an apocalyptic number.

38872615 is a deficient number, since it is larger than the sum of its proper divisors (9636665).

38872615 is a wasteful number, since it uses less digits than its factorization.

38872615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442.

The product of its digits is 80640, while the sum is 40.

The square root of 38872615 is about 6234.7906941613. The cubic root of 38872615 is about 338.7515198073.

The spelling of 38872615 in words is "thirty-eight million, eight hundred seventy-two thousand, six hundred fifteen".