538215 has 16 divisors (see below), whose sum is σ = 878688. Its totient is φ = 281216.

The previous prime is 538201. The next prime is 538247. The reversal of 538215 is 512835.

538215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 538215 - 2⁴ = 538199 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457 + ... + 1133.

It is an arithmetic number, because the mean of its divisors is an integer number (54918).

2⁵³⁸²¹⁵ is an apocalyptic number.

538215 is a deficient number, since it is larger than the sum of its proper divisors (340473).

538215 is a wasteful number, since it uses less digits than its factorization.

538215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738.

The product of its digits is 1200, while the sum is 24.

The square root of 538215 is about 733.6313788273. The cubic root of 538215 is about 81.3427028682.

The spelling of 538215 in words is "five hundred thirty-eight thousand, two hundred fifteen".