7944866 has 16 divisors (see below), whose sum is σ = 12410880. Its totient is φ = 3810240.

The previous prime is 7944851. The next prime is 7944877. The reversal of 7944866 is 6684497.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7370 + ... + 8378.

It is an arithmetic number, because the mean of its divisors is an integer number (775680).

Almost surely, 2^7944866 is an apocalyptic number.

7944866 is a deficient number, since it is larger than the sum of its proper divisors (4466014).

7944866 is a wasteful number, since it uses less digits than its factorization.

7944866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169.

The product of its digits is 290304, while the sum is 44.

The square root of 7944866 is about 2818.6638678636. The cubic root of 7944866 is about 199.5394904687.

The spelling of 7944866 in words is "seven million, nine hundred forty-four thousand, eight hundred sixty-six".