870898 has 8 divisors (see below), whose sum is σ = 1492992. Its totient is φ = 373236.

The previous prime is 870889. The next prime is 870901. The reversal of 870898 is 898078.

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

It is a self number, because there is not a number n which added to its sum of digits gives 870898.

It is an unprimeable number.

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, 31090 + ... + 31117.

It is an arithmetic number, because the mean of its divisors is an integer number (186624).

2⁸⁷⁰⁸⁹⁸ is an apocalyptic number.

870898 is a deficient number, since it is larger than the sum of its proper divisors (622094).

870898 is a wasteful number, since it uses less digits than its factorization.

870898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62216.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 870898 is about 933.2191596833. The cubic root of 870898 is about 95.4968612767.

The spelling of 870898 in words is "eight hundred seventy thousand, eight hundred ninety-eight".