575440 has 20 divisors (see below), whose sum is σ = 1338084. Its totient is φ = 230144.

The previous prime is 575431. The next prime is 575441. The reversal of 575440 is 44575.

It can be written as a sum of positive squares in 2 ways, for example, as 107584 + 467856 = 328^2 + 684^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×575440² = 662262387200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (575441) 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, 3517 + ... + 3676.

2⁵⁷⁵⁴⁴⁰ is an apocalyptic number.

It is an amenable number.

575440 is an abundant number, since it is smaller than the sum of its proper divisors (762644).

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

575440 is a wasteful number, since it uses less digits than its factorization.

575440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7206 (or 7200 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 575440 is about 758.5776163320. The cubic root of 575440 is about 83.1763801294.

The spelling of 575440 in words is "five hundred seventy-five thousand, four hundred forty".