538437 has 4 divisors (see below), whose sum is σ = 717920. Its totient is φ = 358956.

The previous prime is 538423. The next prime is 538457. The reversal of 538437 is 734835.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 538437 - 2⁷ = 538309 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538457) 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, 89737 + ... + 89742.

It is an arithmetic number, because the mean of its divisors is an integer number (179480).

2⁵³⁸⁴³⁷ is an apocalyptic number.

It is an amenable number.

538437 is a deficient number, since it is larger than the sum of its proper divisors (179483).

538437 is a wasteful number, since it uses less digits than its factorization.

538437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179482.

The product of its digits is 10080, while the sum is 30.

The square root of 538437 is about 733.7826653717. The cubic root of 538437 is about 81.3538852629.

The spelling of 538437 in words is "five hundred thirty-eight thousand, four hundred thirty-seven".