870873 has 8 divisors (see below), whose sum is σ = 1172448. Its totient is φ = 574944.

The previous prime is 870871. The next prime is 870889. The reversal of 870873 is 378078.

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

It is not a de Polignac number, because 870873 - 2¹ = 870871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (870871) 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 7 ways as a sum of consecutive naturals, for example, 1036 + ... + 1677.

It is an arithmetic number, because the mean of its divisors is an integer number (146556).

2⁸⁷⁰⁸⁷³ is an apocalyptic number.

It is an amenable number.

870873 is a deficient number, since it is larger than the sum of its proper divisors (301575).

870873 is a wasteful number, since it uses less digits than its factorization.

870873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 870873 is about 933.2057650915. The cubic root of 870873 is about 95.4959474903.

The spelling of 870873 in words is "eight hundred seventy thousand, eight hundred seventy-three".