386214992 has 20 divisors (see below), whose sum is σ = 765695040. Its totient is φ = 188616288.

The previous prime is 386214989. The next prime is 386215051. The reversal of 386214992 is 299412683.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 279992 + ... + 281367.

It is an arithmetic number, because the mean of its divisors is an integer number (38284752).

Almost surely, 2^386214992 is an apocalyptic number.

It is an amenable number.

386214992 is a deficient number, since it is larger than the sum of its proper divisors (379480048).

386214992 is a wasteful number, since it uses less digits than its factorization.

386214992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561410 (or 561404 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 386214992 is about 19652.3533450831. The cubic root of 386214992 is about 728.2430959681.

The spelling of 386214992 in words is "three hundred eighty-six million, two hundred fourteen thousand, nine hundred ninety-two".