3688612 has 12 divisors (see below), whose sum is σ = 6477660. Its totient is φ = 1837856.

The previous prime is 3688591. The next prime is 3688613. The reversal of 3688612 is 2168863.

It can be written as a sum of positive squares in 2 ways, for example, as 1597696 + 2090916 = 1264^2 + 1446^2 .

It is not an unprimeable number, because it can be changed into a prime (3688613) 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, 187 + ... + 2722.

It is an arithmetic number, because the mean of its divisors is an integer number (539805).

Almost surely, 2^3688612 is an apocalyptic number.

It is an amenable number.

3688612 is a deficient number, since it is larger than the sum of its proper divisors (2789048).

3688612 is a wasteful number, since it uses less digits than its factorization.

3688612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230 (or 3228 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 3688612 is about 1920.5759552801. The cubic root of 3688612 is about 154.5091932542.

It can be divided in two parts, 368861 and 2, that added together give a palindrome (368863).

The spelling of 3688612 in words is "three million, six hundred eighty-eight thousand, six hundred twelve".