538637 has 8 divisors (see below), whose sum is σ = 613440. Its totient is φ = 468160.

The previous prime is 538621. The next prime is 538649. The reversal of 538637 is 736835.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 538637 - 2⁴ = 538621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538697) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 812 + ... + 1317.

It is an arithmetic number, because the mean of its divisors is an integer number (76680).

2⁵³⁸⁶³⁷ is an apocalyptic number.

It is an amenable number.

538637 is a deficient number, since it is larger than the sum of its proper divisors (74803).

538637 is a wasteful number, since it uses less digits than its factorization.

538637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163.

The product of its digits is 15120, while the sum is 32.

The square root of 538637 is about 733.9189328529. The cubic root of 538637 is about 81.3639568608.

The spelling of 538637 in words is "five hundred thirty-eight thousand, six hundred thirty-seven".