386660652 has 48 divisors (see below), whose sum is σ = 1050561792. Its totient is φ = 108388800.

The previous prime is 386660579. The next prime is 386660669. The reversal of 386660652 is 256066683.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 38974 + ... + 47877.

It is an arithmetic number, because the mean of its divisors is an integer number (21886704).

Almost surely, 2^386660652 is an apocalyptic number.

It is an amenable number.

386660652 is an abundant number, since it is smaller than the sum of its proper divisors (663901140).

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

386660652 is a wasteful number, since it uses less digits than its factorization.

386660652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86918 (or 86916 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 386660652 is about 19663.6886671855. The cubic root of 386660652 is about 728.5230989636.

The spelling of 386660652 in words is "three hundred eighty-six million, six hundred sixty thousand, six hundred fifty-two".