3694642180 has 24 divisors (see below), whose sum is σ = 7772408280. Its totient is φ = 1475255040.

The previous prime is 3694642177. The next prime is 3694642219. The reversal of 3694642180 is 812464963.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 782097156 + 2912545024 = 27966^2 + 53968^2 .

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, 150951 + ... + 173710.

It is an arithmetic number, because the mean of its divisors is an integer number (323850345).

Almost surely, 2^3694642180 is an apocalyptic number.

It is an amenable number.

3694642180 is an abundant number, since it is smaller than the sum of its proper divisors (4077766100).

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

3694642180 is a wasteful number, since it uses less digits than its factorization.

3694642180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325239 (or 325237 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 3694642180 is about 60783.5683388200. The cubic root of 3694642180 is about 1545.9334514113.

The spelling of 3694642180 in words is "three billion, six hundred ninety-four million, six hundred forty-two thousand, one hundred eighty".