385892664 has 64 divisors (see below), whose sum is σ = 1002080640. Its totient is φ = 123742080.

The previous prime is 385892657. The next prime is 385892669. The reversal of 385892664 is 466298583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385892669) 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, 66354 + ... + 71934.

It is an arithmetic number, because the mean of its divisors is an integer number (15657510).

Almost surely, 2^385892664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385892664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (501040320).

385892664 is an abundant number, since it is smaller than the sum of its proper divisors (616187976).

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

385892664 is a wasteful number, since it uses less digits than its factorization.

385892664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5700 (or 5696 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 51.

The square root of 385892664 is about 19644.1508851872. The cubic root of 385892664 is about 728.0404467726.

The spelling of 385892664 in words is "three hundred eighty-five million, eight hundred ninety-two thousand, six hundred sixty-four".