3660620 has 24 divisors (see below), whose sum is σ = 7766304. Its totient is φ = 1449216.

The previous prime is 3660619. The next prime is 3660637. The reversal of 3660620 is 260663.

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, 1172 + ... + 2948.

It is an arithmetic number, because the mean of its divisors is an integer number (323596).

Almost surely, 2^3660620 is an apocalyptic number.

It is an amenable number.

3660620 is an abundant number, since it is smaller than the sum of its proper divisors (4105684).

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

3660620 is a wasteful number, since it uses less digits than its factorization.

3660620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889 (or 1887 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 3660620 is about 1913.2746797049. The cubic root of 3660620 is about 154.1173558713.

The spelling of 3660620 in words is "three million, six hundred sixty thousand, six hundred twenty".