386318090 has 8 divisors (see below), whose sum is σ = 695372580. Its totient is φ = 154527232.

The previous prime is 386318069. The next prime is 386318099. The reversal of 386318090 is 90813683.

It can be written as a sum of positive squares in 2 ways, for example, as 343323841 + 42994249 = 18529^2 + 6557^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×386318090² = 298483333322496200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (386318099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19315895 + ... + 19315914.

Almost surely, 2^386318090 is an apocalyptic number.

386318090 is a deficient number, since it is larger than the sum of its proper divisors (309054490).

386318090 is a wasteful number, since it uses less digits than its factorization.

386318090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38631816.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 386318090 is about 19654.9762146892. The cubic root of 386318090 is about 728.3078903862.

The spelling of 386318090 in words is "three hundred eighty-six million, three hundred eighteen thousand, ninety".