799967 has 4 divisors (see below), whose sum is σ = 914256. Its totient is φ = 685680.

The previous prime is 799961. The next prime is 799979. The reversal of 799967 is 769997.

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

It is a cyclic number.

It is not a de Polignac number, because 799967 - 2¹⁰ = 798943 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57134 + ... + 57147.

It is an arithmetic number, because the mean of its divisors is an integer number (228564).

2⁷⁹⁹⁹⁶⁷ is an apocalyptic number.

799967 is a deficient number, since it is larger than the sum of its proper divisors (114289).

799967 is a wasteful number, since it uses less digits than its factorization.

799967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114288.

The product of its digits is 214326, while the sum is 47.

The square root of 799967 is about 894.4087432489. The cubic root of 799967 is about 92.8305002178.

The spelling of 799967 in words is "seven hundred ninety-nine thousand, nine hundred sixty-seven".