386167972 has 12 divisors (see below), whose sum is σ = 677743920. Its totient is φ = 192526856.

The previous prime is 386167949. The next prime is 386167981. The reversal of 386167972 is 279761683.

It is a happy 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, 137722 + ... + 140497.

It is an arithmetic number, because the mean of its divisors is an integer number (56478660).

Almost surely, 2^386167972 is an apocalyptic number.

It is an amenable number.

386167972 is a deficient number, since it is larger than the sum of its proper divisors (291575948).

386167972 is a wasteful number, since it uses less digits than its factorization.

386167972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278570 (or 278568 counting only the distinct ones).

The product of its digits is 762048, while the sum is 49.

The square root of 386167972 is about 19651.1570142829. The cubic root of 386167972 is about 728.2135412894.

The spelling of 386167972 in words is "three hundred eighty-six million, one hundred sixty-seven thousand, nine hundred seventy-two".