3663980 has 24 divisors (see below), whose sum is σ = 7747488. Its totient is φ = 1455488.

The previous prime is 3663971. The next prime is 3664013. The reversal of 3663980 is 893663.

It is a self number, because there is not a number n which added to its sum of digits gives 3663980.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2792 + ... + 3888.

It is an arithmetic number, because the mean of its divisors is an integer number (322812).

Almost surely, 2^3663980 is an apocalyptic number.

It is an amenable number.

3663980 is an abundant number, since it is smaller than the sum of its proper divisors (4083508).

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

3663980 is a wasteful number, since it uses less digits than its factorization.

3663980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273 (or 1271 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 3663980 is about 1914.1525540040. The cubic root of 3663980 is about 154.1644950591.

The spelling of 3663980 in words is "three million, six hundred sixty-three thousand, nine hundred eighty".