799900 has 36 divisors (see below), whose sum is σ = 1831480. Its totient is φ = 302400.

The previous prime is 799891. The next prime is 799921. The reversal of 799900 is 9997.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1690 + ... + 2110.

2⁷⁹⁹⁹⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 799900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (915740).

799900 is an abundant number, since it is smaller than the sum of its proper divisors (1031580).

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

799900 is a wasteful number, since it uses less digits than its factorization.

799900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 5103, while the sum is 34.

The square root of 799900 is about 894.3712875534. The cubic root of 799900 is about 92.8279085204.

The spelling of 799900 in words is "seven hundred ninety-nine thousand, nine hundred".