869603328 has 144 divisors (see below), whose sum is σ = 2740537800. Its totient is φ = 263454720.

The previous prime is 869603311. The next prime is 869603333. The reversal of 869603328 is 823306968.

869603328 is a `hidden beast` number, since 8 + 6 + 9 + 603 + 32 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 200608 + ... + 204896.

Almost surely, 2^869603328 is an apocalyptic number.

869603328 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 869603328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1370268900).

869603328 is an abundant number, since it is smaller than the sum of its proper divisors (1870934472).

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

869603328 is a wasteful number, since it uses less digits than its factorization.

869603328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4328 (or 4305 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 869603328 is about 29489.0374207094. The cubic root of 869603328 is about 954.4951611152.

The spelling of 869603328 in words is "eight hundred sixty-nine million, six hundred three thousand, three hundred twenty-eight".