3688937285 has 12 divisors (see below), whose sum is σ = 4865739564. Its totient is φ = 2682863040.

The previous prime is 3688937279. The next prime is 3688937293. The reversal of 3688937285 is 5827398863.

It can be written as a sum of positive squares in 2 ways, for example, as 1661866756 + 2027070529 = 40766^2 + 45023^2 .

It is not a de Polignac number, because 3688937285 - 2¹⁰ = 3688936261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3048104 + ... + 3049313.

It is an arithmetic number, because the mean of its divisors is an integer number (405478297).

Almost surely, 2^3688937285 is an apocalyptic number.

It is an amenable number.

3688937285 is a deficient number, since it is larger than the sum of its proper divisors (1176802279).

3688937285 is a wasteful number, since it uses less digits than its factorization.

3688937285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6097444 (or 6097433 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 59.

The square root of 3688937285 is about 60736.6222719045. The cubic root of 3688937285 is about 1545.1373498474.

The spelling of 3688937285 in words is "three billion, six hundred eighty-eight million, nine hundred thirty-seven thousand, two hundred eighty-five".