389150915 has 24 divisors (see below), whose sum is σ = 491647968. Its totient is φ = 295665920.

The previous prime is 389150897. The next prime is 389150939. The reversal of 389150915 is 519051983.

It is not a de Polignac number, because 389150915 - 2¹⁸ = 388888771 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 441275 + ... + 442155.

It is an arithmetic number, because the mean of its divisors is an integer number (20485332).

Almost surely, 2^389150915 is an apocalyptic number.

389150915 is a deficient number, since it is larger than the sum of its proper divisors (102497053).

389150915 is a wasteful number, since it uses less digits than its factorization.

389150915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099 (or 1076 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 41.

The square root of 389150915 is about 19726.9083994426. The cubic root of 389150915 is about 730.0837553241.

The spelling of 389150915 in words is "three hundred eighty-nine million, one hundred fifty thousand, nine hundred fifteen".