861282 has 24 divisors (see below), whose sum is σ = 1900080. Its totient is φ = 281880.

The previous prime is 861239. The next prime is 861293. The reversal of 861282 is 282168.

It is an unprimeable number.

861282 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 657 + ... + 1467.

It is an arithmetic number, because the mean of its divisors is an integer number (79170).

2⁸⁶¹²⁸² is an apocalyptic number.

861282 is an abundant number, since it is smaller than the sum of its proper divisors (1038798).

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

861282 is a wasteful number, since it uses less digits than its factorization.

861282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878 (or 875 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 861282 is about 928.0528002221. The cubic root of 861282 is about 95.1440842229.

The spelling of 861282 in words is "eight hundred sixty-one thousand, two hundred eighty-two".