870922 has 32 divisors (see below), whose sum is σ = 1552320. Its totient is φ = 362880.

The previous prime is 870917. The next prime is 870929. The reversal of 870922 is 229078.

It is a Smith number, since the sum of its digits (28) 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 not an unprimeable number, because it can be changed into a prime (870929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20233 + ... + 20275.

It is an arithmetic number, because the mean of its divisors is an integer number (48510).

2⁸⁷⁰⁹²² is an apocalyptic number.

870922 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

870922 is a deficient number, since it is larger than the sum of its proper divisors (681398).

870922 is a wasteful number, since it uses less digits than its factorization.

870922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 870922 is about 933.2320183106. The cubic root of 870922 is about 95.4977384953.

The spelling of 870922 in words is "eight hundred seventy thousand, nine hundred twenty-two".