386573664 has 96 divisors (see below), whose sum is σ = 1041828480. Its totient is φ = 125465600.

The previous prime is 386573651. The next prime is 386573687. The reversal of 386573664 is 466375683.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 741724 + ... + 742244.

It is an arithmetic number, because the mean of its divisors is an integer number (10852380).

Almost surely, 2^386573664 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 386573664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520914240).

386573664 is an abundant number, since it is smaller than the sum of its proper divisors (655254816).

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

386573664 is a wasteful number, since it uses less digits than its factorization.

386573664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724 (or 716 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 48.

The square root of 386573664 is about 19661.4766485124. The cubic root of 386573664 is about 728.4684623204.

The spelling of 386573664 in words is "three hundred eighty-six million, five hundred seventy-three thousand, six hundred sixty-four".