861260 has 12 divisors (see below), whose sum is σ = 1808688. Its totient is φ = 344496.

The previous prime is 861239. The next prime is 861293. The reversal of 861260 is 62168.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 861260.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21512 + ... + 21551.

It is an arithmetic number, because the mean of its divisors is an integer number (150724).

2⁸⁶¹²⁶⁰ is an apocalyptic number.

It is an amenable number.

861260 is an abundant number, since it is smaller than the sum of its proper divisors (947428).

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

861260 is a wasteful number, since it uses less digits than its factorization.

861260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43072 (or 43070 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 861260 is about 928.0409473725. The cubic root of 861260 is about 95.1432741174.

The spelling of 861260 in words is "eight hundred sixty-one thousand, two hundred sixty".