538258868 has 12 divisors (see below), whose sum is σ = 1076517792. Its totient is φ = 230682360.

The previous prime is 538258841. The next prime is 538258909. The reversal of 538258868 is 868852835.

538258868 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9611738 + ... + 9611793.

It is an arithmetic number, because the mean of its divisors is an integer number (89709816).

Almost surely, 2^538258868 is an apocalyptic number.

It is an amenable number.

538258868 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.

538258868 is a wasteful number, since it uses less digits than its factorization.

538258868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19223542 (or 19223540 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 53.

The square root of 538258868 is about 23200.4066343674. The cubic root of 538258868 is about 813.4491279340.

The spelling of 538258868 in words is "five hundred thirty-eight million, two hundred fifty-eight thousand, eight hundred sixty-eight".