386770464 has 72 divisors (see below), whose sum is σ = 1140637680. Its totient is φ = 128920896.

The previous prime is 386770457. The next prime is 386770469. The reversal of 386770464 is 464077683.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (386770469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17094 + ... + 32645.

It is an arithmetic number, because the mean of its divisors is an integer number (15842190).

Almost surely, 2^386770464 is an apocalyptic number.

It is an amenable number.

386770464 is an abundant number, since it is smaller than the sum of its proper divisors (753867216).

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

386770464 is an equidigital number, since it uses as much as digits as its factorization.

386770464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49764 (or 49744 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The square root of 386770464 is about 19666.4807222848. The cubic root of 386770464 is about 728.5920595245.

The spelling of 386770464 in words is "three hundred eighty-six million, seven hundred seventy thousand, four hundred sixty-four".