386402444 has 12 divisors (see below), whose sum is σ = 676347000. Its totient is φ = 193160448.

The previous prime is 386402437. The next prime is 386402477. The reversal of 386402444 is 444204683.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23507 + ... + 36405.

It is an arithmetic number, because the mean of its divisors is an integer number (56362250).

Almost surely, 2^386402444 is an apocalyptic number.

It is an amenable number.

386402444 is a deficient number, since it is larger than the sum of its proper divisors (289944556).

386402444 is a wasteful number, since it uses less digits than its factorization.

386402444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20392 (or 20390 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

The square root of 386402444 is about 19657.1219663510. The cubic root of 386402444 is about 728.3608961124.

The spelling of 386402444 in words is "three hundred eighty-six million, four hundred two thousand, four hundred forty-four".