386813740 has 24 divisors (see below), whose sum is σ = 812684880. Its totient is φ = 154653888.

The previous prime is 386813729. The next prime is 386813759. The reversal of 386813740 is 47318683.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 386813693 and 386813702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70206 + ... + 75514.

It is an arithmetic number, because the mean of its divisors is an integer number (33861870).

Almost surely, 2^386813740 is an apocalyptic number.

It is an amenable number.

386813740 is an abundant number, since it is smaller than the sum of its proper divisors (425871140).

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

386813740 is a wasteful number, since it uses less digits than its factorization.

386813740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8961 (or 8959 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 386813740 is about 19667.5809392004. The cubic root of 386813740 is about 728.6192327250.

The spelling of 386813740 in words is "three hundred eighty-six million, eight hundred thirteen thousand, seven hundred forty".