38870715 has 16 divisors (see below), whose sum is σ = 66977568. Its totient is φ = 19136256.

The previous prime is 38870693. The next prime is 38870723. The reversal of 38870715 is 51707883.

It is not a de Polignac number, because 38870715 - 2⁶ = 38870651 is a prime.

It is a super-2 number, since 2×38870715² = 3021864969222450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99474 + ... + 99863.

It is an arithmetic number, because the mean of its divisors is an integer number (4186098).

Almost surely, 2^38870715 is an apocalyptic number.

38870715 is a deficient number, since it is larger than the sum of its proper divisors (28106853).

38870715 is a wasteful number, since it uses less digits than its factorization.

38870715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199358.

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 38870715 is about 6234.6383215067. The cubic root of 38870715 is about 338.7460005973.

The spelling of 38870715 in words is "thirty-eight million, eight hundred seventy thousand, seven hundred fifteen".