387957479 has 16 divisors (see below), whose sum is σ = 480936960. Its totient is φ = 304737120.

The previous prime is 387957443. The next prime is 387957503. The reversal of 387957479 is 974759783.

It is a cyclic number.

It is not a de Polignac number, because 387957479 - 2¹⁶ = 387891943 is a prime.

It is a super-2 number, since 2×387957479² = 301022011024070882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387957439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2687 + ... + 27984.

It is an arithmetic number, because the mean of its divisors is an integer number (30058560).

Almost surely, 2^387957479 is an apocalyptic number.

387957479 is a deficient number, since it is larger than the sum of its proper divisors (92979481).

387957479 is a wasteful number, since it uses less digits than its factorization.

387957479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30830.

The product of its digits is 13335840, while the sum is 59.

The square root of 387957479 is about 19696.6362356622. The cubic root of 387957479 is about 729.3366583119.

The spelling of 387957479 in words is "three hundred eighty-seven million, nine hundred fifty-seven thousand, four hundred seventy-nine".