3688574416 has 20 divisors (see below), whose sum is σ = 7182896292. Its totient is φ = 1834923776.

The previous prime is 3688574399. The next prime is 3688574431. The reversal of 3688574416 is 6144758863.

It can be written as a sum of positive squares in 2 ways, for example, as 3230785600 + 457788816 = 56840^2 + 21396^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581965 + ... + 588268.

Almost surely, 2^3688574416 is an apocalyptic number.

It is an amenable number.

3688574416 is a deficient number, since it is larger than the sum of its proper divisors (3494321876).

3688574416 is a wasteful number, since it uses less digits than its factorization.

3688574416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170438 (or 1170432 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 52.

The square root of 3688574416 is about 60733.6349644906. The cubic root of 3688574416 is about 1545.0866847744.

The spelling of 3688574416 in words is "three billion, six hundred eighty-eight million, five hundred seventy-four thousand, four hundred sixteen".