871290 has 64 divisors (see below), whose sum is σ = 2661120. Its totient is φ = 198720.

The previous prime is 871289. The next prime is 871303. The reversal of 871290 is 92178.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1660 + ... + 2120.

It is an arithmetic number, because the mean of its divisors is an integer number (41580).

2⁸⁷¹²⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 871290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1330560).

871290 is an abundant number, since it is smaller than the sum of its proper divisors (1789830).

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

871290 is a wasteful number, since it uses less digits than its factorization.

871290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 871290 is about 933.4291617472. The cubic root of 871290 is about 95.5111871620.

The spelling of 871290 in words is "eight hundred seventy-one thousand, two hundred ninety".