863458234 has 4 divisors (see below), whose sum is σ = 1295187354. Its totient is φ = 431729116.

The previous prime is 863458217. The next prime is 863458241. The reversal of 863458234 is 432854368.

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

It can be written as a sum of positive squares in only one way, i.e., 612711009 + 250747225 = 24753^2 + 15835^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215864557 + ... + 215864560.

Almost surely, 2^863458234 is an apocalyptic number.

863458234 is a deficient number, since it is larger than the sum of its proper divisors (431729120).

863458234 is a wasteful number, since it uses less digits than its factorization.

863458234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431729119.

The product of its digits is 552960, while the sum is 43.

The square root of 863458234 is about 29384.6598414887. The cubic root of 863458234 is about 952.2415155019.

The spelling of 863458234 in words is "eight hundred sixty-three million, four hundred fifty-eight thousand, two hundred thirty-four".