863938238 has 4 divisors (see below), whose sum is σ = 1295907360. Its totient is φ = 431969118.

The previous prime is 863938199. The next prime is 863938253. The reversal of 863938238 is 832839368.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215984558 + ... + 215984561.

It is an arithmetic number, because the mean of its divisors is an integer number (323976840).

Almost surely, 2^863938238 is an apocalyptic number.

863938238 is a deficient number, since it is larger than the sum of its proper divisors (431969122).

863938238 is a wasteful number, since it uses less digits than its factorization.

863938238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431969121.

The product of its digits is 1492992, while the sum is 50.

The square root of 863938238 is about 29392.8263016676. The cubic root of 863938238 is about 952.4179359494.

The spelling of 863938238 in words is "eight hundred sixty-three million, nine hundred thirty-eight thousand, two hundred thirty-eight".