3976990 has 16 divisors (see below), whose sum is σ = 7390080. Its totient is φ = 1539360.

The previous prime is 3976981. The next prime is 3976991. The reversal of 3976990 is 996793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3976991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6105 + ... + 6724.

It is an arithmetic number, because the mean of its divisors is an integer number (461880).

Almost surely, 2^3976990 is an apocalyptic number.

3976990 is a deficient number, since it is larger than the sum of its proper divisors (3413090).

3976990 is a wasteful number, since it uses less digits than its factorization.

3976990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12867.

The product of its (nonzero) digits is 91854, while the sum is 43.

The square root of 3976990 is about 1994.2392033054. The cubic root of 3976990 is about 158.4351355160.

The spelling of 3976990 in words is "three million, nine hundred seventy-six thousand, nine hundred ninety".