7944885 has 48 divisors (see below), whose sum is σ = 15410304. Its totient is φ = 3903552.

The previous prime is 7944877. The next prime is 7944887. The reversal of 7944885 is 5884497.

7944885 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7944885 - 2³ = 7944877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 7944885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7944887) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15544 + ... + 16046.

It is an arithmetic number, because the mean of its divisors is an integer number (321048).

Almost surely, 2^7944885 is an apocalyptic number.

It is an amenable number.

7944885 is a deficient number, since it is larger than the sum of its proper divisors (7465419).

7944885 is a wasteful number, since it uses less digits than its factorization.

7944885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 524 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 7944885 is about 2818.6672382529. The cubic root of 7944885 is about 199.5396495336.

The spelling of 7944885 in words is "seven million, nine hundred forty-four thousand, eight hundred eighty-five".