1806084864 has 108 divisors (see below), whose sum is σ = 5400440136. Its totient is φ = 602007552.

The previous prime is 1806084859. The next prime is 1806084871. The reversal of 1806084864 is 4684806081.

It is a tau number, because it is divible by the number of its divisors (108).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47692 + ... + 76724.

Almost surely, 2^1806084864 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 1806084864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2700220068).

1806084864 is an abundant number, since it is smaller than the sum of its proper divisors (3594355272).

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

1806084864 is an frugal number, since it uses more digits than its factorization.

1806084864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29064 (or 29038 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 1806084864 is about 42498.0571791229. The cubic root of 1806084864 is about 1217.8095749280.

The spelling of 1806084864 in words is "one billion, eight hundred six million, eighty-four thousand, eight hundred sixty-four".