859439046 has 32 divisors (see below), whose sum is σ = 1915781760. Its totient is φ = 255436416.

The previous prime is 859439033. The next prime is 859439047. The reversal of 859439046 is 640934958.

It is a junction number, because it is equal to n+sod(n) for n = 859438986 and 859439004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859439047) 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, 219796 + ... + 223671.

It is an arithmetic number, because the mean of its divisors is an integer number (59868180).

Almost surely, 2^859439046 is an apocalyptic number.

859439046 is an abundant number, since it is smaller than the sum of its proper divisors (1056342714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

859439046 is a wasteful number, since it uses less digits than its factorization.

859439046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443508.

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 859439046 is about 29316.1908507910. The cubic root of 859439046 is about 950.7617329206.

The spelling of 859439046 in words is "eight hundred fifty-nine million, four hundred thirty-nine thousand, forty-six".