859460420 has 96 divisors (see below), whose sum is σ = 2281590528. Its totient is φ = 264632832.

The previous prime is 859460387. The next prime is 859460429. The reversal of 859460420 is 24064958.

It is not an unprimeable number, because it can be changed into a prime (859460429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60959 + ... + 73721.

It is an arithmetic number, because the mean of its divisors is an integer number (23766568).

Almost surely, 2^859460420 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 859460420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1140795264).

859460420 is an abundant number, since it is smaller than the sum of its proper divisors (1422130108).

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

859460420 is a wasteful number, since it uses less digits than its factorization.

859460420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12829 (or 12827 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 859460420 is about 29316.5553911096. Note that the first 3 decimals coincide. The cubic root of 859460420 is about 950.7696145782.

The spelling of 859460420 in words is "eight hundred fifty-nine million, four hundred sixty thousand, four hundred twenty".