872444 has 6 divisors (see below), whose sum is σ = 1526784. Its totient is φ = 436220.

The previous prime is 872441. The next prime is 872453. The reversal of 872444 is 444278.

It is a super-2 number, since 2×872444² = 1522317066272, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (872441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109052 + ... + 109059.

It is an arithmetic number, because the mean of its divisors is an integer number (254464).

2⁸⁷²⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

872444 is a deficient number, since it is larger than the sum of its proper divisors (654340).

872444 is a wasteful number, since it uses less digits than its factorization.

872444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218115 (or 218113 counting only the distinct ones).

The product of its digits is 7168, while the sum is 29.

The square root of 872444 is about 934.0471080197. The cubic root of 872444 is about 95.5533358858.

The spelling of 872444 in words is "eight hundred seventy-two thousand, four hundred forty-four".