386661072 has 40 divisors (see below), whose sum is σ = 1141571776. Its totient is φ = 110474496.

The previous prime is 386661017. The next prime is 386661083. The reversal of 386661072 is 270166683.

It is a self number, because there is not a number n which added to its sum of digits gives 386661072.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575053 + ... + 575724.

Almost surely, 2^386661072 is an apocalyptic number.

It is an amenable number.

386661072 is an abundant number, since it is smaller than the sum of its proper divisors (754910704).

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

386661072 is a wasteful number, since it uses less digits than its factorization.

386661072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150795 (or 1150789 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 386661072 is about 19663.6993467659. The cubic root of 386661072 is about 728.5233627432.

The spelling of 386661072 in words is "three hundred eighty-six million, six hundred sixty-one thousand, seventy-two".