869085184 has 52 divisors (see below), whose sum is σ = 1896052680. Its totient is φ = 395018240.

The previous prime is 869085167. The next prime is 869085197. The reversal of 869085184 is 481580968.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35412 + ... + 54700.

Almost surely, 2^869085184 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 869085184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (948026340).

869085184 is an abundant number, since it is smaller than the sum of its proper divisors (1026967496).

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

869085184 is a wasteful number, since it uses less digits than its factorization.

869085184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19324 (or 19302 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 49.

The square root of 869085184 is about 29480.2507452023. The cubic root of 869085184 is about 954.3055481485.

The spelling of 869085184 in words is "eight hundred sixty-nine million, eighty-five thousand, one hundred eighty-four".