3973444 has 24 divisors (see below), whose sum is σ = 7475328. Its totient is φ = 1841280.

The previous prime is 3973439. The next prime is 3973447. The reversal of 3973444 is 4443793.

It is a super-2 number, since 2×3973444² = 31576514442272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3973447) 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, 4417 + ... + 5239.

It is an arithmetic number, because the mean of its divisors is an integer number (311472).

Almost surely, 2^3973444 is an apocalyptic number.

3973444 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3973444 is a deficient number, since it is larger than the sum of its proper divisors (3501884).

3973444 is a wasteful number, since it uses less digits than its factorization.

3973444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915 (or 913 counting only the distinct ones).

The product of its digits is 36288, while the sum is 34.

The square root of 3973444 is about 1993.3499441894. The cubic root of 3973444 is about 158.3880330551.

The spelling of 3973444 in words is "three million, nine hundred seventy-three thousand, four hundred forty-four".