7986444 has 24 divisors (see below), whose sum is σ = 18743088. Its totient is φ = 2646720.

The previous prime is 7986439. The next prime is 7986457. The reversal of 7986444 is 4446897.

7986444 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 7986396 and 7986405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334 + ... + 4010.

It is an arithmetic number, because the mean of its divisors is an integer number (780962).

Almost surely, 2^7986444 is an apocalyptic number.

It is an amenable number.

7986444 is an abundant number, since it is smaller than the sum of its proper divisors (10756644).

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

7986444 is a wasteful number, since it uses less digits than its factorization.

7986444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3865 (or 3863 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 7986444 is about 2826.0297238352. The cubic root of 7986444 is about 199.8869694659.

The spelling of 7986444 in words is "seven million, nine hundred eighty-six thousand, four hundred forty-four".