7913444 has 24 divisors (see below), whose sum is σ = 17266368. Its totient is φ = 3083040.

The previous prime is 7913441. The next prime is 7913461. The reversal of 7913444 is 4443197.

It is a happy number.

It is a super-2 number, since 2×7913444² = 125245191882272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7913444.

It is not an unprimeable number, because it can be changed into a prime (7913441) 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, 12539 + ... + 13154.

It is an arithmetic number, because the mean of its divisors is an integer number (719432).

Almost surely, 2^7913444 is an apocalyptic number.

It is an amenable number.

7913444 is an abundant number, since it is smaller than the sum of its proper divisors (9352924).

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

7913444 is a wasteful number, since it uses less digits than its factorization.

7913444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25715 (or 25713 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 7913444 is about 2813.0844281678. The cubic root of 7913444 is about 199.2760828815.

The spelling of 7913444 in words is "seven million, nine hundred thirteen thousand, four hundred forty-four".