538916 has 24 divisors (see below), whose sum is σ = 1135680. Its totient is φ = 218592.

The previous prime is 538877. The next prime is 538921. The reversal of 538916 is 619835.

It is an unprimeable number.

538916 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 7 ways as a sum of consecutive naturals, for example, 26 + ... + 1038.

It is an arithmetic number, because the mean of its divisors is an integer number (47320).

2⁵³⁸⁹¹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567840).

538916 is an abundant number, since it is smaller than the sum of its proper divisors (596764).

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

538916 is a wasteful number, since it uses less digits than its factorization.

538916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043 (or 1041 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 538916 is about 734.1089837347. The cubic root of 538916 is about 81.3780025760.

The spelling of 538916 in words is "five hundred thirty-eight thousand, nine hundred sixteen".