3989876 has 12 divisors (see below), whose sum is σ = 7617120. Its totient is φ = 1813560.

The previous prime is 3989863. The next prime is 3989891. The reversal of 3989876 is 6789893.

It is a super-2 number, since 2×3989876² = 31838220990752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45296 + ... + 45383.

It is an arithmetic number, because the mean of its divisors is an integer number (634760).

Almost surely, 2^3989876 is an apocalyptic number.

It is an amenable number.

3989876 is a deficient number, since it is larger than the sum of its proper divisors (3627244).

3989876 is a wasteful number, since it uses less digits than its factorization.

3989876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90694 (or 90692 counting only the distinct ones).

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

The square root of 3989876 is about 1997.4673964799. The cubic root of 3989876 is about 158.6060683153.

The spelling of 3989876 in words is "three million, nine hundred eighty-nine thousand, eight hundred seventy-six".