3115694388 has 12 divisors (see below), whose sum is σ = 7269953600. Its totient is φ = 1038564792.

The previous prime is 3115694381. The next prime is 3115694389. The reversal of 3115694388 is 8834965113.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3115694381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129820588 + ... + 129820611.

Almost surely, 2^3115694388 is an apocalyptic number.

It is an amenable number.

3115694388 is an abundant number, since it is smaller than the sum of its proper divisors (4154259212).

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

3115694388 is a wasteful number, since it uses less digits than its factorization.

3115694388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259641206 (or 259641204 counting only the distinct ones).

The product of its digits is 622080, while the sum is 48.

The square root of 3115694388 is about 55818.4054591315. The cubic root of 3115694388 is about 1460.5562382954.

The spelling of 3115694388 in words is "three billion, one hundred fifteen million, six hundred ninety-four thousand, three hundred eighty-eight".