3992444 has 6 divisors (see below), whose sum is σ = 6986784. Its totient is φ = 1996220.

The previous prime is 3992441. The next prime is 3992447. The reversal of 3992444 is 4442993.

It is an interprime number because it is at equal distance from previous prime (3992441) and next prime (3992447).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3992441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499052 + ... + 499059.

It is an arithmetic number, because the mean of its divisors is an integer number (1164464).

Almost surely, 2^3992444 is an apocalyptic number.

It is an amenable number.

3992444 is a deficient number, since it is larger than the sum of its proper divisors (2994340).

3992444 is a wasteful number, since it uses less digits than its factorization.

3992444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998115 (or 998113 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 3992444 is about 1998.1101070762. The cubic root of 3992444 is about 158.6400888405.

The spelling of 3992444 in words is "three million, nine hundred ninety-two thousand, four hundred forty-four".