538989835 has 4 divisors (see below), whose sum is σ = 646787808. Its totient is φ = 431191864.

The previous prime is 538989827. The next prime is 538989851.

538989835 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 538989835 - 2³ = 538989827 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 538989835.

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, 53898979 + ... + 53898988.

It is an arithmetic number, because the mean of its divisors is an integer number (161696952).

Almost surely, 2^538989835 is an apocalyptic number.

538989835 is a deficient number, since it is larger than the sum of its proper divisors (107797973).

538989835 is a wasteful number, since it uses less digits than its factorization.

538989835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107797972.

The product of its digits is 9331200, while the sum is 58.

The square root of 538989835 is about 23216.1546126830. The cubic root of 538989835 is about 813.8171884498.

The spelling of 538989835 in words is "five hundred thirty-eight million, nine hundred eighty-nine thousand, eight hundred thirty-five".