38975715 has 32 divisors (see below), whose sum is σ = 69987840. Its totient is φ = 20577888.

The previous prime is 38975701. The next prime is 38975719. The reversal of 38975715 is 51757983.

38975715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 38975715 - 2¹¹ = 38973667 is a prime.

It is a super-2 number, since 2×38975715² = 3038212719522450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (38975719) 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 31 ways as a sum of consecutive naturals, for example, 12504 + ... + 15306.

It is an arithmetic number, because the mean of its divisors is an integer number (2187120).

Almost surely, 2^38975715 is an apocalyptic number.

38975715 is a deficient number, since it is larger than the sum of its proper divisors (31012125).

38975715 is a wasteful number, since it uses less digits than its factorization.

38975715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2920 (or 2914 counting only the distinct ones).

The product of its digits is 264600, while the sum is 45.

The square root of 38975715 is about 6243.0533395126. The cubic root of 38975715 is about 339.0507403101.

The spelling of 38975715 in words is "thirty-eight million, nine hundred seventy-five thousand, seven hundred fifteen".