538338785 has 8 divisors (see below), whose sum is σ = 654184320. Its totient is φ = 425219184.

The previous prime is 538338763. The next prime is 538338791. The reversal of 538338785 is 587833835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 538338785 - 2²⁴ = 521561569 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681047 + ... + 681836.

It is an arithmetic number, because the mean of its divisors is an integer number (81773040).

Almost surely, 2^538338785 is an apocalyptic number.

It is an amenable number.

538338785 is a deficient number, since it is larger than the sum of its proper divisors (115845535).

538338785 is a wasteful number, since it uses less digits than its factorization.

538338785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362967.

The product of its digits is 2419200, while the sum is 50.

The square root of 538338785 is about 23202.1288893929. The cubic root of 538338785 is about 813.4893843985.

The spelling of 538338785 in words is "five hundred thirty-eight million, three hundred thirty-eight thousand, seven hundred eighty-five".