386730912 has 48 divisors (see below), whose sum is σ = 1028039040. Its totient is φ = 127276032.

The previous prime is 386730889. The next prime is 386730913. The reversal of 386730912 is 219037683.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (386730913) 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, 17913 + ... + 33080.

It is an arithmetic number, because the mean of its divisors is an integer number (21417480).

Almost surely, 2^386730912 is an apocalyptic number.

386730912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

386730912 is an abundant number, since it is smaller than the sum of its proper divisors (641308128).

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

386730912 is a wasteful number, since it uses less digits than its factorization.

386730912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51085 (or 51077 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 386730912 is about 19665.4751277461. The cubic root of 386730912 is about 728.5672228680.

The spelling of 386730912 in words is "three hundred eighty-six million, seven hundred thirty thousand, nine hundred twelve".