538398 has 24 divisors (see below), whose sum is σ = 1333488. Its totient is φ = 153792.

The previous prime is 538397. The next prime is 538399. The reversal of 538398 is 893835.

538398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (538397) and next prime (538399).

It is a d-powerful number, because it can be written as 5² + 3⁵ + 3¹² + 8² + 9⁴ + 8² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2011 + ... + 2262.

It is an arithmetic number, because the mean of its divisors is an integer number (55562).

2⁵³⁸³⁹⁸ is an apocalyptic number.

538398 is an abundant number, since it is smaller than the sum of its proper divisors (795090).

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

538398 is a wasteful number, since it uses less digits than its factorization.

538398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4288 (or 4285 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 538398 is about 733.7560902643. The cubic root of 538398 is about 81.3519210107.

The spelling of 538398 in words is "five hundred thirty-eight thousand, three hundred ninety-eight".