3688319764 has 24 divisors (see below), whose sum is σ = 6518342600. Its totient is φ = 1825960320.

The previous prime is 3688319743. The next prime is 3688319771. The reversal of 3688319764 is 4679138863.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 340771600 + 3347548164 = 18460^2 + 57858^2 .

It is a congruent number.

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, 1039834 + ... + 1043374.

Almost surely, 2^3688319764 is an apocalyptic number.

It is an amenable number.

3688319764 is a deficient number, since it is larger than the sum of its proper divisors (2830022836).

3688319764 is a wasteful number, since it uses less digits than its factorization.

3688319764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6043 (or 6041 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 55.

The square root of 3688319764 is about 60731.5384623179. The cubic root of 3688319764 is about 1545.0511273634.

The spelling of 3688319764 in words is "three billion, six hundred eighty-eight million, three hundred nineteen thousand, seven hundred sixty-four".