862444 has 24 divisors (see below), whose sum is σ = 1744848. Its totient is φ = 368640.

The previous prime is 862441. The next prime is 862447. The reversal of 862444 is 444268.

862444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (862441) and next prime (862447).

It is not an unprimeable number, because it can be changed into a prime (862441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172 + ... + 1324.

It is an arithmetic number, because the mean of its divisors is an integer number (72702).

2⁸⁶²⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

862444 is an abundant number, since it is smaller than the sum of its proper divisors (882404).

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

862444 is a wasteful number, since it uses less digits than its factorization.

862444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1183 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 862444 is about 928.6786311744. The cubic root of 862444 is about 95.1868529264.

It can be divided in two parts, 8624 and 44, that multiplied together give a square (379456 = 616²).

The spelling of 862444 in words is "eight hundred sixty-two thousand, four hundred forty-four".