870463 has 4 divisors (see below), whose sum is σ = 949608. Its totient is φ = 791320.

The previous prime is 870461. The next prime is 870479. The reversal of 870463 is 364078.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 870463 - 2¹ = 870461 is a prime.

870463 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870461) 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 3 ways as a sum of consecutive naturals, for example, 39556 + ... + 39577.

It is an arithmetic number, because the mean of its divisors is an integer number (237402).

2⁸⁷⁰⁴⁶³ is an apocalyptic number.

870463 is a deficient number, since it is larger than the sum of its proper divisors (79145).

870463 is a wasteful number, since it uses less digits than its factorization.

870463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79144.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 870463 is about 932.9860663483. The cubic root of 870463 is about 95.4809588967.

The spelling of 870463 in words is "eight hundred seventy thousand, four hundred sixty-three".