3944168 has 8 divisors (see below), whose sum is σ = 7395330. Its totient is φ = 1972080.

The previous prime is 3944141. The next prime is 3944173. The reversal of 3944168 is 8614493.

It can be written as a sum of positive squares in only one way, i.e., 3912484 + 31684 = 1978^2 + 178^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×3944168² = 31112922424448, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246503 + ... + 246518.

Almost surely, 2^3944168 is an apocalyptic number.

It is an amenable number.

3944168 is a deficient number, since it is larger than the sum of its proper divisors (3451162).

3944168 is a wasteful number, since it uses less digits than its factorization.

3944168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493027 (or 493023 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 3944168 is about 1985.9929506421. The cubic root of 3944168 is about 157.9980772078.

The spelling of 3944168 in words is "three million, nine hundred forty-four thousand, one hundred sixty-eight".