538613236 has 12 divisors (see below), whose sum is σ = 1077226528. Its totient is φ = 230834232.

The previous prime is 538613219. The next prime is 538613239. The reversal of 538613236 is 632316835.

It is a happy number.

538613236 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 538613195 and 538613204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538613239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9618066 + ... + 9618121.

Almost surely, 2^538613236 is an apocalyptic number.

It is an amenable number.

538613236 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

538613236 is a wasteful number, since it uses less digits than its factorization.

538613236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19236198 (or 19236196 counting only the distinct ones).

The product of its digits is 77760, while the sum is 37.

The square root of 538613236 is about 23208.0424853110. The cubic root of 538613236 is about 813.6276028409.

The spelling of 538613236 in words is "five hundred thirty-eight million, six hundred thirteen thousand, two hundred thirty-six".