537428 has 24 divisors (see below), whose sum is σ = 1005480. Its totient is φ = 250880.

The previous prime is 537413. The next prime is 537497. The reversal of 537428 is 824735.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21904 + 515524 = 148^2 + 718^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 537428.

It is a congruent number.

It is an unprimeable number.

537428 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 7 ways as a sum of consecutive naturals, for example, 4700 + ... + 4812.

It is an arithmetic number, because the mean of its divisors is an integer number (41895).

2⁵³⁷⁴²⁸ is an apocalyptic number.

537428 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

537428 is a deficient number, since it is larger than the sum of its proper divisors (468052).

537428 is a wasteful number, since it uses less digits than its factorization.

537428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 185 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 537428 is about 733.0948096938. The cubic root of 537428 is about 81.3030359846.

The spelling of 537428 in words is "five hundred thirty-seven thousand, four hundred twenty-eight".