938908563 has 8 divisors (see below), whose sum is σ = 1292261376. Its totient is φ = 605747400.

The previous prime is 938908549. The next prime is 938908567. The reversal of 938908563 is 365809839.

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

It is not a de Polignac number, because 938908563 - 2²⁰ = 937859987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (938908567) 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, 5047803 + ... + 5047988.

It is an arithmetic number, because the mean of its divisors is an integer number (161532672).

Almost surely, 2^938908563 is an apocalyptic number.

938908563 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

938908563 is a deficient number, since it is larger than the sum of its proper divisors (353352813).

938908563 is a wasteful number, since it uses less digits than its factorization.

938908563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10095825.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 938908563 is about 30641.6148889056. The cubic root of 938908563 is about 979.2068283641.

The spelling of 938908563 in words is "nine hundred thirty-eight million, nine hundred eight thousand, five hundred sixty-three".