537440 has 24 divisors (see below), whose sum is σ = 1270080. Its totient is φ = 214912.

The previous prime is 537413. The next prime is 537497. The reversal of 537440 is 44735.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1520 + ... + 1839.

It is an arithmetic number, because the mean of its divisors is an integer number (52920).

2⁵³⁷⁴⁴⁰ is an apocalyptic number.

It is an amenable number.

537440 is an abundant number, since it is smaller than the sum of its proper divisors (732640).

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

537440 is a wasteful number, since it uses less digits than its factorization.

537440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374 (or 3366 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 537440 is about 733.1029941284. The cubic root of 537440 is about 81.3036411070.

The spelling of 537440 in words is "five hundred thirty-seven thousand, four hundred forty".