870798 has 8 divisors (see below), whose sum is σ = 1741608. Its totient is φ = 290264.

The previous prime is 870787. The next prime is 870809. The reversal of 870798 is 897078.

870798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (870787) and next prime (870809).

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

870798 is an admirable number.

It is a congruent number.

It is an unprimeable number.

870798 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72561 + ... + 72572.

It is an arithmetic number, because the mean of its divisors is an integer number (217701).

2⁸⁷⁰⁷⁹⁸ is an apocalyptic number.

870798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

870798 is a wasteful number, since it uses less digits than its factorization.

870798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145138.

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

The square root of 870798 is about 933.1655801625. The cubic root of 870798 is about 95.4932060260.

The spelling of 870798 in words is "eight hundred seventy thousand, seven hundred ninety-eight".