386044490 has 16 divisors (see below), whose sum is σ = 748332648. Its totient is φ = 142539456.

The previous prime is 386044459. The next prime is 386044501. The reversal of 386044490 is 94440683.

It can be written as a sum of positive squares in 4 ways, for example, as 256608361 + 129436129 = 16019^2 + 11377^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1484657 + ... + 1484916.

Almost surely, 2^386044490 is an apocalyptic number.

386044490 is a deficient number, since it is larger than the sum of its proper divisors (362288158).

386044490 is a wasteful number, since it uses less digits than its factorization.

386044490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969593.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 386044490 is about 19648.0149124536. The cubic root of 386044490 is about 728.1359145766.

The spelling of 386044490 in words is "three hundred eighty-six million, forty-four thousand, four hundred ninety".