798870 has 32 divisors (see below), whose sum is σ = 1981440. Its totient is φ = 205920.

The previous prime is 798823. The next prime is 798871. The reversal of 798870 is 78897.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501 + ... + 1359.

It is an arithmetic number, because the mean of its divisors is an integer number (61920).

2⁷⁹⁸⁸⁷⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 798870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (990720).

798870 is an abundant number, since it is smaller than the sum of its proper divisors (1182570).

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

798870 is a wasteful number, since it uses less digits than its factorization.

798870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900.

The product of its (nonzero) digits is 28224, while the sum is 39.

The square root of 798870 is about 893.7952785733. The cubic root of 798870 is about 92.7880477819.

The spelling of 798870 in words is "seven hundred ninety-eight thousand, eight hundred seventy".