870263 has 8 divisors (see below), whose sum is σ = 913920. Its totient is φ = 827640.

The previous prime is 870253. The next prime is 870271. The reversal of 870263 is 362078.

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 870263 - 2⁸ = 870007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1868 + ... + 2286.

It is an arithmetic number, because the mean of its divisors is an integer number (114240).

2⁸⁷⁰²⁶³ is an apocalyptic number.

870263 is a deficient number, since it is larger than the sum of its proper divisors (43657).

870263 is a wasteful number, since it uses less digits than its factorization.

870263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 870263 is about 932.8788774541. The cubic root of 870263 is about 95.4736456797.

The spelling of 870263 in words is "eight hundred seventy thousand, two hundred sixty-three".