3659976 has 24 divisors (see below), whose sum is σ = 9912630. Its totient is φ = 1219968.

The previous prime is 3659959. The next prime is 3659993. The reversal of 3659976 is 6799563.

It is an interprime number because it is at equal distance from previous prime (3659959) and next prime (3659993).

It can be written as a sum of positive squares in only one way, i.e., 3132900 + 527076 = 1770^2 + 726^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25345 + ... + 25488.

Almost surely, 2^3659976 is an apocalyptic number.

3659976 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3659976 is an abundant number, since it is smaller than the sum of its proper divisors (6252654).

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

3659976 is a wasteful number, since it uses less digits than its factorization.

3659976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50845 (or 50838 counting only the distinct ones).

The product of its digits is 306180, while the sum is 45.

The square root of 3659976 is about 1913.1063744601. The cubic root of 3659976 is about 154.1083175665.

The spelling of 3659976 in words is "three million, six hundred fifty-nine thousand, nine hundred seventy-six".