537444 has 18 divisors (see below), whose sum is σ = 1358630. Its totient is φ = 179136.

The previous prime is 537413. The next prime is 537497. The reversal of 537444 is 444735.

It can be written as a sum of positive squares in only one way, i.e., 518400 + 19044 = 720^2 + 138^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 537444.

It is an unprimeable number.

537444 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7429 + ... + 7500.

2⁵³⁷⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

537444 is an abundant number, since it is smaller than the sum of its proper divisors (821186).

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

537444 is a wasteful number, since it uses less digits than its factorization.

537444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14939 (or 14934 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 537444 is about 733.1057222529. The cubic root of 537444 is about 81.3038428125.

The spelling of 537444 in words is "five hundred thirty-seven thousand, four hundred forty-four".