859808234 has 4 divisors (see below), whose sum is σ = 1289712354. Its totient is φ = 429904116.

The previous prime is 859808233. The next prime is 859808297. The reversal of 859808234 is 432808958.

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., 718079209 + 141729025 = 26797^2 + 11905^2 .

It is not an unprimeable number, because it can be changed into a prime (859808233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214952057 + ... + 214952060.

Almost surely, 2^859808234 is an apocalyptic number.

859808234 is a deficient number, since it is larger than the sum of its proper divisors (429904120).

859808234 is a wasteful number, since it uses less digits than its factorization.

859808234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429904119.

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 859808234 is about 29322.4868317815. The cubic root of 859808234 is about 950.8978525501.

The spelling of 859808234 in words is "eight hundred fifty-nine million, eight hundred eight thousand, two hundred thirty-four".