3639612 has 24 divisors (see below), whose sum is σ = 8862336. Its totient is φ = 1160368.

The previous prime is 3639593. The next prime is 3639631. The reversal of 3639612 is 2169363.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3639593) and next prime (3639631).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3639612.

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, 6318 + ... + 6869.

It is an arithmetic number, because the mean of its divisors is an integer number (369264).

Almost surely, 2^3639612 is an apocalyptic number.

It is an amenable number.

3639612 is an abundant number, since it is smaller than the sum of its proper divisors (5222724).

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

3639612 is a wasteful number, since it uses less digits than its factorization.

3639612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13217 (or 13215 counting only the distinct ones).

The product of its digits is 5832, while the sum is 30.

The square root of 3639612 is about 1907.7767164949. The cubic root of 3639612 is about 153.8219677620.

The spelling of 3639612 in words is "three million, six hundred thirty-nine thousand, six hundred twelve".