386681832 has 24 divisors (see below), whose sum is σ = 1047263490. Its totient is φ = 128893920.

The previous prime is 386681807. The next prime is 386681837. The reversal of 386681832 is 238186683.

It can be written as a sum of positive squares in only one way, i.e., 375351876 + 11329956 = 19374^2 + 3366^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (386681837) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2685219 + ... + 2685362.

Almost surely, 2^386681832 is an apocalyptic number.

It is an amenable number.

386681832 is an abundant number, since it is smaller than the sum of its proper divisors (660581658).

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

386681832 is a wasteful number, since it uses less digits than its factorization.

386681832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5370593 (or 5370586 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 386681832 is about 19664.2272159371. The cubic root of 386681832 is about 728.5364007546.

The spelling of 386681832 in words is "three hundred eighty-six million, six hundred eighty-one thousand, eight hundred thirty-two".