538836426 has 12 divisors (see below), whose sum is σ = 1167478962. Its totient is φ = 179612136.

The previous prime is 538836413. The next prime is 538836427. The reversal of 538836426 is 624638835.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 506925225 + 31911201 = 22515^2 + 5649^2 .

It is not an unprimeable number, because it can be changed into a prime (538836427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14967661 + ... + 14967696.

Almost surely, 2^538836426 is an apocalyptic number.

538836426 is an abundant number, since it is smaller than the sum of its proper divisors (628642536).

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

538836426 is a wasteful number, since it uses less digits than its factorization.

538836426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29935365 (or 29935362 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 538836426 is about 23212.8504496970. The cubic root of 538836426 is about 813.7399707118.

It can be divided in two parts, 5388 and 36426, that added together give a palindrome (41814).

The spelling of 538836426 in words is "five hundred thirty-eight million, eight hundred thirty-six thousand, four hundred twenty-six".