386669190 has 32 divisors (see below), whose sum is σ = 976849920. Its totient is φ = 97684704.

The previous prime is 386669183. The next prime is 386669197. The reversal of 386669190 is 91966683.

It is an interprime number because it is at equal distance from previous prime (386669183) and next prime (386669197).

It is a super-2 number, since 2×386669190² = 299026124990512200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386669197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338614 + ... + 339753.

It is an arithmetic number, because the mean of its divisors is an integer number (30526560).

Almost surely, 2^386669190 is an apocalyptic number.

386669190 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

386669190 is an abundant number, since it is smaller than the sum of its proper divisors (590180730).

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

386669190 is a wasteful number, since it uses less digits than its factorization.

386669190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678396.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 386669190 is about 19663.9057666579. The cubic root of 386669190 is about 728.5284611888.

The spelling of 386669190 in words is "three hundred eighty-six million, six hundred sixty-nine thousand, one hundred ninety".