538389317 has 8 divisors (see below), whose sum is σ = 549258624. Its totient is φ = 527546448.

The previous prime is 538389311. The next prime is 538389329. The reversal of 538389317 is 713983835.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-538389317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538389311) 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, 37448 + ... + 49790.

It is an arithmetic number, because the mean of its divisors is an integer number (68657328).

Almost surely, 2^538389317 is an apocalyptic number.

It is an amenable number.

538389317 is a deficient number, since it is larger than the sum of its proper divisors (10869307).

538389317 is a wasteful number, since it uses less digits than its factorization.

538389317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13219.

The product of its digits is 544320, while the sum is 47.

The square root of 538389317 is about 23203.2178156393. The cubic root of 538389317 is about 813.5148367472.

The spelling of 538389317 in words is "five hundred thirty-eight million, three hundred eighty-nine thousand, three hundred seventeen".