538316385 has 16 divisors (see below), whose sum is σ = 862661184. Its totient is φ = 286650432.

The previous prime is 538316377. The next prime is 538316453. The reversal of 538316385 is 583613835.

It is not a de Polignac number, because 538316385 - 2³ = 538316377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18262 + ... + 37551.

It is an arithmetic number, because the mean of its divisors is an integer number (53916324).

Almost surely, 2^538316385 is an apocalyptic number.

It is an amenable number.

538316385 is a deficient number, since it is larger than the sum of its proper divisors (324344799).

538316385 is a wasteful number, since it uses less digits than its factorization.

538316385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56464.

The product of its digits is 259200, while the sum is 42.

The square root of 538316385 is about 23201.6461700458. The cubic root of 538316385 is about 813.4781012836.

The spelling of 538316385 in words is "five hundred thirty-eight million, three hundred sixteen thousand, three hundred eighty-five".