799956 has 36 divisors (see below), whose sum is σ = 2099552. Its totient is φ = 266328.

The previous prime is 799949. The next prime is 799961. The reversal of 799956 is 659997.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 799956.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 561 + ... + 1383.

2⁷⁹⁹⁹⁵⁶ 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 799956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1049776).

799956 is an abundant number, since it is smaller than the sum of its proper divisors (1299596).

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

799956 is a wasteful number, since it uses less digits than its factorization.

799956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842 (or 828 counting only the distinct ones).

The product of its digits is 153090, while the sum is 45.

The square root of 799956 is about 894.4025939139. The cubic root of 799956 is about 92.8300747251.

The spelling of 799956 in words is "seven hundred ninety-nine thousand, nine hundred fifty-six".