386043904 has 39 divisors (see below), whose sum is σ = 774516387. Its totient is φ = 192393216.

The previous prime is 386043901. The next prime is 386043913. The reversal of 386043904 is 409340683.

The square root of 386043904 is 19648.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×386043904² = 298059791631122432, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (386043901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1257319 + ... + 1257625.

Almost surely, 2^386043904 is an apocalyptic number.

386043904 is the 19648-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 386043904

386043904 is an abundant number, since it is smaller than the sum of its proper divisors (388472483).

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

386043904 is an frugal number, since it uses more digits than its factorization.

386043904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The cubic root of 386043904 is about 728.1355461494.

The spelling of 386043904 in words is "three hundred eighty-six million, forty-three thousand, nine hundred four".