3980942 has 16 divisors (see below), whose sum is σ = 6881280. Its totient is φ = 1691928.

The previous prime is 3980891. The next prime is 3980957. The reversal of 3980942 is 2490893.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 659 + ... + 2897.

It is an arithmetic number, because the mean of its divisors is an integer number (430080).

Almost surely, 2^3980942 is an apocalyptic number.

3980942 is a deficient number, since it is larger than the sum of its proper divisors (2900338).

3980942 is a wasteful number, since it uses less digits than its factorization.

3980942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 3980942 is about 1995.2298113250. The cubic root of 3980942 is about 158.4875980040.

The spelling of 3980942 in words is "three million, nine hundred eighty thousand, nine hundred forty-two".