386397190 has 8 divisors (see below), whose sum is σ = 695514960. Its totient is φ = 154558872.

The previous prime is 386397173. The next prime is 386397197. The reversal of 386397190 is 91793683.

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

It is a super-2 number, since 2×386397190² = 298605576879792200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 386397190.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386397197) 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, 19319850 + ... + 19319869.

It is an arithmetic number, because the mean of its divisors is an integer number (86939370).

Almost surely, 2^386397190 is an apocalyptic number.

386397190 is a deficient number, since it is larger than the sum of its proper divisors (309117770).

386397190 is a wasteful number, since it uses less digits than its factorization.

386397190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38639726.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 386397190 is about 19656.9883247663. The cubic root of 386397190 is about 728.3575948691.

The spelling of 386397190 in words is "three hundred eighty-six million, three hundred ninety-seven thousand, one hundred ninety".