39000015 has 32 divisors (see below), whose sum is σ = 71577600. Its totient is φ = 20126880.

The previous prime is 39000001. The next prime is 39000037. The reversal of 39000015 is 51000093.

It is not a de Polignac number, because 39000015 - 2¹⁸ = 38737871 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 475 + ... + 8844.

It is an arithmetic number, because the mean of its divisors is an integer number (2236800).

Almost surely, 2^39000015 is an apocalyptic number.

39000015 is a deficient number, since it is larger than the sum of its proper divisors (32577585).

39000015 is a wasteful number, since it uses less digits than its factorization.

39000015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9364 (or 9358 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 39000015 is about 6244.9991993594. Note that the first 3 decimals coincide. The cubic root of 39000015 is about 339.1211877785.

The spelling of 39000015 in words is "thirty-nine million, fifteen", and thus it is an aban number and an uban number.