538826 has 4 divisors (see below), whose sum is σ = 808242. Its totient is φ = 269412.

The previous prime is 538823. The next prime is 538829. The reversal of 538826 is 628835.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (538823) and next prime (538829).

It can be written as a sum of positive squares in only one way, i.e., 303601 + 235225 = 551^2 + 485^2 .

It is a d-powerful number, because it can be written as 5⁵ + 3¹² + 8² + 8² + 2¹² + 6² .

It is a junction number, because it is equal to n+sod(n) for n = 538792 and 538801.

It is not an unprimeable number, because it can be changed into a prime (538823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134705 + ... + 134708.

2⁵³⁸⁸²⁶ is an apocalyptic number.

538826 is a deficient number, since it is larger than the sum of its proper divisors (269416).

538826 is a wasteful number, since it uses less digits than its factorization.

538826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269415.

The product of its digits is 11520, while the sum is 32.

The square root of 538826 is about 734.0476823749. The cubic root of 538826 is about 81.3734722299.

Subtracting 538826 from its reverse (628835), we obtain a palindrome (90009).

The spelling of 538826 in words is "five hundred thirty-eight thousand, eight hundred twenty-six".