860444 has 12 divisors (see below), whose sum is σ = 1621704. Its totient is φ = 397104.

The previous prime is 860441. The next prime is 860479. The reversal of 860444 is 444068.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (860441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8222 + ... + 8325.

It is an arithmetic number, because the mean of its divisors is an integer number (135142).

2⁸⁶⁰⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

860444 is a deficient number, since it is larger than the sum of its proper divisors (761260).

860444 is a wasteful number, since it uses less digits than its factorization.

860444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16564 (or 16562 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 860444 is about 927.6012074162. The cubic root of 860444 is about 95.1132168201.

The spelling of 860444 in words is "eight hundred sixty thousand, four hundred forty-four".