386964916 has 12 divisors (see below), whose sum is σ = 729280132. Its totient is φ = 178599168.

The previous prime is 386964901. The next prime is 386964937. The reversal of 386964916 is 619469683.

It can be written as a sum of positive squares in 2 ways, for example, as 217444516 + 169520400 = 14746^2 + 13020^2 .

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 7441633 = 386964916 / (3 + 8 + 6 + 9 + 6 + 4 + 9 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3720765 + ... + 3720868.

Almost surely, 2^386964916 is an apocalyptic number.

It is an amenable number.

386964916 is a deficient number, since it is larger than the sum of its proper divisors (342315216).

386964916 is a wasteful number, since it uses less digits than its factorization.

386964916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7441650 (or 7441648 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 52.

The square root of 386964916 is about 19671.4238427217. The cubic root of 386964916 is about 728.7141409311.

The spelling of 386964916 in words is "three hundred eighty-six million, nine hundred sixty-four thousand, nine hundred sixteen".