389680915 has 8 divisors (see below), whose sum is σ = 503587728. Its totient is φ = 287764320.

The previous prime is 389680909. The next prime is 389680939. The reversal of 389680915 is 519086983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 389680915 - 2²⁵ = 356126483 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2997481 + ... + 2997610.

It is an arithmetic number, because the mean of its divisors is an integer number (62948466).

Almost surely, 2^389680915 is an apocalyptic number.

389680915 is a deficient number, since it is larger than the sum of its proper divisors (113906813).

389680915 is a wasteful number, since it uses less digits than its factorization.

389680915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5995109.

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 389680915 is about 19740.3372564908. The cubic root of 389680915 is about 730.4150482692.

The spelling of 389680915 in words is "three hundred eighty-nine million, six hundred eighty thousand, nine hundred fifteen".