390977115 has 64 divisors (see below), whose sum is σ = 681246720. Its totient is φ = 190903680.

The previous prime is 390977063. The next prime is 390977141. The reversal of 390977115 is 511779093.

It is not a de Polignac number, because 390977115 - 2⁶ = 390977051 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1486474 + ... + 1486736.

It is an arithmetic number, because the mean of its divisors is an integer number (10644480).

Almost surely, 2^390977115 is an apocalyptic number.

390977115 is a deficient number, since it is larger than the sum of its proper divisors (290269605).

390977115 is a wasteful number, since it uses less digits than its factorization.

390977115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464.

The product of its (nonzero) digits is 59535, while the sum is 42.

The square root of 390977115 is about 19773.1412527196. The cubic root of 390977115 is about 731.2240145635.

The spelling of 390977115 in words is "three hundred ninety million, nine hundred seventy-seven thousand, one hundred fifteen".