238889563 has 16 divisors (see below), whose sum is σ = 264670560. Its totient is φ = 213811200.

The previous prime is 238889557. The next prime is 238889587. The reversal of 238889563 is 365988832.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 238889563 - 2⁵ = 238889531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 238889563.

It is not an unprimeable number, because it can be changed into a prime (238889533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256683 + ... + 257611.

It is an arithmetic number, because the mean of its divisors is an integer number (16541910).

Almost surely, 2^238889563 is an apocalyptic number.

238889563 is a deficient number, since it is larger than the sum of its proper divisors (25780997).

238889563 is a wasteful number, since it uses less digits than its factorization.

238889563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278.

The product of its digits is 2488320, while the sum is 52.

The square root of 238889563 is about 15456.0526331920. The cubic root of 238889563 is about 620.4865786624.

The spelling of 238889563 in words is "two hundred thirty-eight million, eight hundred eighty-nine thousand, five hundred sixty-three".