859473000 has 384 divisors, whose sum is σ = 3121092000. Its totient is φ = 212889600.

The previous prime is 859472989. The next prime is 859473007. The reversal of 859473000 is 374958.

It can be written as a sum of positive squares in 16 ways, for example, as 16499844 + 842973156 = 4062^2 + 29034^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (859473007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9656956 + ... + 9657044.

Almost surely, 2^859473000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 859473000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1560546000).

859473000 is an abundant number, since it is smaller than the sum of its proper divisors (2261619000).

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

859473000 is a wasteful number, since it uses less digits than its factorization.

859473000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 859473000 is about 29316.7699448626. The cubic root of 859473000 is about 950.7742533892.

The spelling of 859473000 in words is "eight hundred fifty-nine million, four hundred seventy-three thousand".