538237916 has 12 divisors (see below), whose sum is σ = 945499632. Its totient is φ = 268095168.

The previous prime is 538237897. The next prime is 538237961. The reversal of 538237916 is 619732835.

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, 254765 + ... + 256868.

It is an arithmetic number, because the mean of its divisors is an integer number (78791636).

Almost surely, 2^538237916 is an apocalyptic number.

It is an amenable number.

538237916 is a deficient number, since it is larger than the sum of its proper divisors (407261716).

538237916 is a wasteful number, since it uses less digits than its factorization.

538237916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511900 (or 511898 counting only the distinct ones).

The product of its digits is 272160, while the sum is 44.

The square root of 538237916 is about 23199.9550861634. The cubic root of 538237916 is about 813.4385731569.

The spelling of 538237916 in words is "five hundred thirty-eight million, two hundred thirty-seven thousand, nine hundred sixteen".