859482690 has 64 divisors (see below), whose sum is σ = 2282038272. Its totient is φ = 205419200.

The previous prime is 859482661. The next prime is 859482697. The reversal of 859482690 is 96284958.

It is a super-2 number, since 2×859482690² = 1477420988819272200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (859482697) 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, 5089 + ... + 41771.

It is an arithmetic number, because the mean of its divisors is an integer number (35656848).

Almost surely, 2^859482690 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 859482690, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1141019136).

859482690 is an abundant number, since it is smaller than the sum of its proper divisors (1422555582).

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

859482690 is a wasteful number, since it uses less digits than its factorization.

859482690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36775.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 859482690 is about 29316.9352081694. The cubic root of 859482690 is about 950.7778264965. Note that the first 3 decimals are identical.

The spelling of 859482690 in words is "eight hundred fifty-nine million, four hundred eighty-two thousand, six hundred ninety".