799660 has 12 divisors (see below), whose sum is σ = 1679328. Its totient is φ = 319856.

The previous prime is 799657. The next prime is 799661. The reversal of 799660 is 66997.

799660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×799660² = 1278912231200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (799661) 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, 19972 + ... + 20011.

It is an arithmetic number, because the mean of its divisors is an integer number (139944).

2⁷⁹⁹⁶⁶⁰ is an apocalyptic number.

It is an amenable number.

799660 is an abundant number, since it is smaller than the sum of its proper divisors (879668).

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

799660 is a wasteful number, since it uses less digits than its factorization.

799660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39992 (or 39990 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 799660 is about 894.2371050230. The cubic root of 799660 is about 92.8186236404.

The spelling of 799660 in words is "seven hundred ninety-nine thousand, six hundred sixty".