386977272 has 32 divisors (see below), whose sum is σ = 1055393280. Its totient is φ = 117265760.

The previous prime is 386977267. The next prime is 386977301. The reversal of 386977272 is 272779683.

It is a congruent 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, 732648 + ... + 733175.

It is an arithmetic number, because the mean of its divisors is an integer number (32981040).

Almost surely, 2^386977272 is an apocalyptic number.

It is an amenable number.

386977272 is an abundant number, since it is smaller than the sum of its proper divisors (668416008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

386977272 is a wasteful number, since it uses less digits than its factorization.

386977272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465843 (or 1465839 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 51.

The square root of 386977272 is about 19671.7378998400. The cubic root of 386977272 is about 728.7218969281.

The spelling of 386977272 in words is "three hundred eighty-six million, nine hundred seventy-seven thousand, two hundred seventy-two".