860144 has 10 divisors (see below), whose sum is σ = 1666560. Its totient is φ = 430064.

The previous prime is 860143. The next prime is 860239. The reversal of 860144 is 441068.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26864 + ... + 26895.

It is an arithmetic number, because the mean of its divisors is an integer number (166656).

2⁸⁶⁰¹⁴⁴ is an apocalyptic number.

It is an amenable number.

860144 is a deficient number, since it is larger than the sum of its proper divisors (806416).

860144 is a wasteful number, since it uses less digits than its factorization.

860144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53767 (or 53761 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 860144 is about 927.4394858965. The cubic root of 860144 is about 95.1021615658.

The spelling of 860144 in words is "eight hundred sixty thousand, one hundred forty-four".