520944 has 20 divisors (see below), whose sum is σ = 1345896. Its totient is φ = 173632.

The previous prime is 520943. The next prime is 520957. The reversal of 520944 is 449025.

It is a super-2 number, since 2×520944² = 542765302272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 520944.

It is not an unprimeable number, because it can be changed into a prime (520943) 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, 5379 + ... + 5474.

2⁵²⁰⁹⁴⁴ is an apocalyptic number.

It is an amenable number.

520944 is an abundant number, since it is smaller than the sum of its proper divisors (824952).

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

520944 is a wasteful number, since it uses less digits than its factorization.

520944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10864 (or 10858 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 520944 is about 721.7645045304. The cubic root of 520944 is about 80.4631468465.

Adding to 520944 its reverse (449025), we get a palindrome (969969).

It can be divided in two parts, 5209 and 44, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 520944 in words is "five hundred twenty thousand, nine hundred forty-four".