3941644 has 12 divisors (see below), whose sum is σ = 7883344. Its totient is φ = 1689264.

The previous prime is 3941633. The next prime is 3941653. The reversal of 3941644 is 4461493.

3941644 is an admirable number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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, 70359 + ... + 70414.

Almost surely, 2^3941644 is an apocalyptic number.

It is an amenable number.

3941644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3941644 is a wasteful number, since it uses less digits than its factorization.

3941644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140784 (or 140782 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 3941644 is about 1985.3573985557. The cubic root of 3941644 is about 157.9643673318.

The spelling of 3941644 in words is "three million, nine hundred forty-one thousand, six hundred forty-four".