869744832 has 224 divisors, whose sum is σ = 2627522304. Its totient is φ = 251596800.

The previous prime is 869744831. The next prime is 869744833. The reversal of 869744832 is 238447968.

It is an interprime number because it is at equal distance from previous prime (869744831) and next prime (869744833).

It is not an unprimeable number, because it can be changed into a prime (869744831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5539698 + ... + 5539854.

Almost surely, 2^869744832 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 869744832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1313761152).

869744832 is an abundant number, since it is smaller than the sum of its proper divisors (1757777472).

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

869744832 is a wasteful number, since it uses less digits than its factorization.

869744832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 277 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 51.

The square root of 869744832 is about 29491.4365875927. The cubic root of 869744832 is about 954.5469309101.

It can be divided in two parts, 86974 and 4832, that added together give a triangular number (91806 = T₄₂₈).

The spelling of 869744832 in words is "eight hundred sixty-nine million, seven hundred forty-four thousand, eight hundred thirty-two".