386730872 has 32 divisors (see below), whose sum is σ = 791866800. Its totient is φ = 175603200.

The previous prime is 386730871. The next prime is 386730889. The reversal of 386730872 is 278037683.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386730871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118154 + ... + 121382.

Almost surely, 2^386730872 is an apocalyptic number.

It is an amenable number.

386730872 is an abundant number, since it is smaller than the sum of its proper divisors (405135928).

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

386730872 is a wasteful number, since it uses less digits than its factorization.

386730872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4607 (or 4603 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 386730872 is about 19665.4741107353. The cubic root of 386730872 is about 728.5671977492.

The spelling of 386730872 in words is "three hundred eighty-six million, seven hundred thirty thousand, eight hundred seventy-two".