799685 has 4 divisors (see below), whose sum is σ = 959628. Its totient is φ = 639744.

The previous prime is 799679. The next prime is 799723. The reversal of 799685 is 586997.

799685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 487204 + 312481 = 698^2 + 559^2 .

It is a cyclic number.

It is not a de Polignac number, because 799685 - 2⁶ = 799621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79964 + ... + 79973.

It is an arithmetic number, because the mean of its divisors is an integer number (239907).

2⁷⁹⁹⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

799685 is a deficient number, since it is larger than the sum of its proper divisors (159943).

799685 is a wasteful number, since it uses less digits than its factorization.

799685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159942.

The product of its digits is 136080, while the sum is 44.

The square root of 799685 is about 894.2510833094. The cubic root of 799685 is about 92.8195909020.

The spelling of 799685 in words is "seven hundred ninety-nine thousand, six hundred eighty-five".