799689 has 12 divisors (see below), whose sum is σ = 1172528. Its totient is φ = 484440.

The previous prime is 799679. The next prime is 799723. The reversal of 799689 is 986997.

It is a happy number.

799689 is digitally balanced in base 2 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 799689 - 2⁵ = 799657 is a prime.

It is a Duffinian number.

799689 is strictly pandigital in base 7.

799689 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (799609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 739 + ... + 1464.

2⁷⁹⁹⁶⁸⁹ is an apocalyptic number.

It is an amenable number.

799689 is a deficient number, since it is larger than the sum of its proper divisors (372839).

799689 is a wasteful number, since it uses less digits than its factorization.

799689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228 (or 2217 counting only the distinct ones).

The product of its digits is 244944, while the sum is 48.

The square root of 799689 is about 894.2533198149. The cubic root of 799689 is about 92.8197456620.

The spelling of 799689 in words is "seven hundred ninety-nine thousand, six hundred eighty-nine".