799870 has 8 divisors (see below), whose sum is σ = 1439784. Its totient is φ = 319944.

The previous prime is 799859. The next prime is 799873. The reversal of 799870 is 78997.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39984 + ... + 40003.

It is an arithmetic number, because the mean of its divisors is an integer number (179973).

2⁷⁹⁹⁸⁷⁰ is an apocalyptic number.

799870 is a deficient number, since it is larger than the sum of its proper divisors (639914).

799870 is a wasteful number, since it uses less digits than its factorization.

799870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79994.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 799870 is about 894.3545158381. The cubic root of 799870 is about 92.8267480120.

The spelling of 799870 in words is "seven hundred ninety-nine thousand, eight hundred seventy".