870843 has 8 divisors (see below), whose sum is σ = 1183248. Its totient is φ = 569504.

The previous prime is 870833. The next prime is 870847. The reversal of 870843 is 348078.

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

It is a cyclic number.

It is not a de Polignac number, because 870843 - 2⁵ = 870811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 870843.

It is not an unprimeable number, because it can be changed into a prime (870847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2580 + ... + 2897.

It is an arithmetic number, because the mean of its divisors is an integer number (147906).

2⁸⁷⁰⁸⁴³ is an apocalyptic number.

870843 is a deficient number, since it is larger than the sum of its proper divisors (312405).

870843 is a wasteful number, since it uses less digits than its factorization.

870843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5533.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 870843 is about 933.1896913275. The cubic root of 870843 is about 95.4948509235.

The spelling of 870843 in words is "eight hundred seventy thousand, eight hundred forty-three".