386446972 has 12 divisors (see below), whose sum is σ = 690671520. Its totient is φ = 189112256.

The previous prime is 386446937. The next prime is 386447021. The reversal of 386446972 is 279644683.

It is a congruent 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, 1027597 + ... + 1027972.

It is an arithmetic number, because the mean of its divisors is an integer number (57555960).

Almost surely, 2^386446972 is an apocalyptic number.

It is an amenable number.

386446972 is a deficient number, since it is larger than the sum of its proper divisors (304224548).

386446972 is a wasteful number, since it uses less digits than its factorization.

386446972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055620 (or 2055618 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 49.

The square root of 386446972 is about 19658.2545512057. The cubic root of 386446972 is about 728.3888731682.

The spelling of 386446972 in words is "three hundred eighty-six million, four hundred forty-six thousand, nine hundred seventy-two".