538426 has 8 divisors (see below), whose sum is σ = 923040. Its totient is φ = 230748.

The previous prime is 538423. The next prime is 538457. The reversal of 538426 is 624835.

538426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a d-powerful number, because it can be written as 5⁵ + 3¹² + 4 + 8³ + 2¹¹ + 6⁴ .

It is a junction number, because it is equal to n+sod(n) for n = 538394 and 538403.

It is not an unprimeable number, because it can be changed into a prime (538423) 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, 19216 + ... + 19243.

It is an arithmetic number, because the mean of its divisors is an integer number (115380).

2⁵³⁸⁴²⁶ is an apocalyptic number.

538426 is a deficient number, since it is larger than the sum of its proper divisors (384614).

538426 is a wasteful number, since it uses less digits than its factorization.

538426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38468.

The product of its digits is 5760, while the sum is 28.

The square root of 538426 is about 733.7751699260. The cubic root of 538426 is about 81.3533312527.

The spelling of 538426 in words is "five hundred thirty-eight thousand, four hundred twenty-six".