3864394180 has 24 divisors (see below), whose sum is σ = 8125813080. Its totient is φ = 1543741440.

The previous prime is 3864394169. The next prime is 3864394181. The reversal of 3864394180 is 814934683.

It can be written as a sum of positive squares in 4 ways, for example, as 853457796 + 3010936384 = 29214^2 + 54872^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3864394180.

It is not an unprimeable number, because it can be changed into a prime (3864394181) 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, 110251 + ... + 141010.

It is an arithmetic number, because the mean of its divisors is an integer number (338575545).

Almost surely, 2^3864394180 is an apocalyptic number.

It is an amenable number.

3864394180 is an abundant number, since it is smaller than the sum of its proper divisors (4261418900).

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

3864394180 is a wasteful number, since it uses less digits than its factorization.

3864394180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252039 (or 252037 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The square root of 3864394180 is about 62164.2516242253. The cubic root of 3864394180 is about 1569.2560311406.

The spelling of 3864394180 in words is "three billion, eight hundred sixty-four million, three hundred ninety-four thousand, one hundred eighty".