870279 has 8 divisors (see below), whose sum is σ = 1169280. Its totient is φ = 575736.

The previous prime is 870271. The next prime is 870283. The reversal of 870279 is 972078.

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

It is not a de Polignac number, because 870279 - 2³ = 870271 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 870279.

It is not an unprimeable number, because it can be changed into a prime (870271) 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, 627 + ... + 1460.

It is an arithmetic number, because the mean of its divisors is an integer number (146160).

2⁸⁷⁰²⁷⁹ is an apocalyptic number.

870279 is a deficient number, since it is larger than the sum of its proper divisors (299001).

870279 is a wasteful number, since it uses less digits than its factorization.

870279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 870279 is about 932.8874530189. The cubic root of 870279 is about 95.4742307782.

The spelling of 870279 in words is "eight hundred seventy thousand, two hundred seventy-nine".