799656 has 64 divisors (see below), whose sum is σ = 2358720. Its totient is φ = 222720.

The previous prime is 799651. The next prime is 799657. The reversal of 799656 is 656997.

It is not an unprimeable number, because it can be changed into a prime (799651) by changing a digit.

799656 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3316 + ... + 3548.

It is an arithmetic number, because the mean of its divisors is an integer number (36855).

2⁷⁹⁹⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 799656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1179360).

799656 is an abundant number, since it is smaller than the sum of its proper divisors (1559064).

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

799656 is a wasteful number, since it uses less digits than its factorization.

799656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 262 counting only the distinct ones).

The product of its digits is 102060, while the sum is 42.

The square root of 799656 is about 894.2348684770. The cubic root of 799656 is about 92.8184688766.

The spelling of 799656 in words is "seven hundred ninety-nine thousand, six hundred fifty-six".