386434904 has 8 divisors (see below), whose sum is σ = 724565460. Its totient is φ = 193217448.

The previous prime is 386434879. The next prime is 386434921. The reversal of 386434904 is 409434683.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24152174 + ... + 24152189.

Almost surely, 2^386434904 is an apocalyptic number.

It is an amenable number.

386434904 is a deficient number, since it is larger than the sum of its proper divisors (338130556).

386434904 is a wasteful number, since it uses less digits than its factorization.

386434904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48304369 (or 48304365 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The square root of 386434904 is about 19657.9476039591. The cubic root of 386434904 is about 728.3812910254.

The spelling of 386434904 in words is "three hundred eighty-six million, four hundred thirty-four thousand, nine hundred four".