3976889 has 12 divisors (see below), whose sum is σ = 4658724. Its totient is φ = 3384864.

The previous prime is 3976879. The next prime is 3976913. The reversal of 3976889 is 9886793.

It can be written as a sum of positive squares in 2 ways, for example, as 2371600 + 1605289 = 1540^2 + 1267^2 .

It is not a de Polignac number, because 3976889 - 2⁴ = 3976873 is a prime.

It is a super-2 number, since 2×3976889² = 31631292236642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3976829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13427 + ... + 13719.

It is an arithmetic number, because the mean of its divisors is an integer number (388227).

Almost surely, 2^3976889 is an apocalyptic number.

It is an amenable number.

3976889 is a deficient number, since it is larger than the sum of its proper divisors (681835).

3976889 is a wasteful number, since it uses less digits than its factorization.

3976889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 577 counting only the distinct ones).

The product of its digits is 653184, while the sum is 50.

The square root of 3976889 is about 1994.2138802044. The cubic root of 3976889 is about 158.4337942936.

The spelling of 3976889 in words is "three million, nine hundred seventy-six thousand, eight hundred eighty-nine".