3665976 has 32 divisors (see below), whose sum is σ = 9260160. Its totient is φ = 1209312.

The previous prime is 3665941. The next prime is 3665989. The reversal of 3665976 is 6795663.

It is a super-3 number, since 3×3665976³ (a number of 21 digits) contains 333 as substring.

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, 1731 + ... + 3213.

It is an arithmetic number, because the mean of its divisors is an integer number (289380).

Almost surely, 2^3665976 is an apocalyptic number.

It is an amenable number.

3665976 is an abundant number, since it is smaller than the sum of its proper divisors (5594184).

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

3665976 is a wasteful number, since it uses less digits than its factorization.

3665976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595 (or 1591 counting only the distinct ones).

The product of its digits is 204120, while the sum is 42.

The square root of 3665976 is about 1914.6738625677. The cubic root of 3665976 is about 154.1924843378.

The spelling of 3665976 in words is "three million, six hundred sixty-five thousand, nine hundred seventy-six".