3687660 has 48 divisors (see below), whose sum is σ = 11474400. Its totient is φ = 983232.

The previous prime is 3687631. The next prime is 3687683. The reversal of 3687660 is 667863.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2875 + ... + 3954.

It is an arithmetic number, because the mean of its divisors is an integer number (239050).

Almost surely, 2^3687660 is an apocalyptic number.

3687660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3687660 is an abundant number, since it is smaller than the sum of its proper divisors (7786740).

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

3687660 is a wasteful number, since it uses less digits than its factorization.

3687660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6847 (or 6839 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 3687660 is about 1920.3280969668. The cubic root of 3687660 is about 154.4958995990.

The spelling of 3687660 in words is "three million, six hundred eighty-seven thousand, six hundred sixty".