870216 has 32 divisors (see below), whose sum is σ = 2203200. Its totient is φ = 286400.

The previous prime is 870211. The next prime is 870223. The reversal of 870216 is 612078.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a d-powerful number, because it can be written as 8 + 7⁷ + 2³ + 0 + 1 + 6⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870211) 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, 2245 + ... + 2603.

It is an arithmetic number, because the mean of its divisors is an integer number (68850).

2⁸⁷⁰²¹⁶ is an apocalyptic number.

It is an amenable number.

870216 is an abundant number, since it is smaller than the sum of its proper divisors (1332984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

870216 is a wasteful number, since it uses less digits than its factorization.

870216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 870216 is about 932.8536862767. The cubic root of 870216 is about 95.4719269111.

The spelling of 870216 in words is "eight hundred seventy thousand, two hundred sixteen".