538933893 has 16 divisors (see below), whose sum is σ = 729855360. Its totient is φ = 353686784.

The previous prime is 538933873. The next prime is 538933903. The reversal of 538933893 is 398339835.

It is a cyclic number.

It is not a de Polignac number, because 538933893 - 2¹³ = 538925701 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538933873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57880 + ... + 66542.

It is an arithmetic number, because the mean of its divisors is an integer number (45615960).

Almost surely, 2^538933893 is an apocalyptic number.

It is an amenable number.

538933893 is a deficient number, since it is larger than the sum of its proper divisors (190921467).

538933893 is a wasteful number, since it uses less digits than its factorization.

538933893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8988.

The product of its digits is 2099520, while the sum is 51.

The square root of 538933893 is about 23214.9497737988. The cubic root of 538933893 is about 813.7890319904.

The spelling of 538933893 in words is "five hundred thirty-eight million, nine hundred thirty-three thousand, eight hundred ninety-three".