538375626 has 16 divisors (see below), whose sum is σ = 1196390400. Its totient is φ = 179458524.

The previous prime is 538375603. The next prime is 538375627. The reversal of 538375626 is 626573835.

538375626 is a `hidden beast` number, since 5 + 3 + 83 + 7 + 562 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (538375627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4984906 + ... + 4985013.

It is an arithmetic number, because the mean of its divisors is an integer number (74774400).

Almost surely, 2^538375626 is an apocalyptic number.

538375626 is an abundant number, since it is smaller than the sum of its proper divisors (658014774).

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

538375626 is a wasteful number, since it uses less digits than its factorization.

538375626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9969930 (or 9969924 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The square root of 538375626 is about 23202.9227900280. The cubic root of 538375626 is about 813.5079409157.

The spelling of 538375626 in words is "five hundred thirty-eight million, three hundred seventy-five thousand, six hundred twenty-six".