869625324 has 72 divisors (see below), whose sum is σ = 2237403168. Its totient is φ = 284739840.

The previous prime is 869625313. The next prime is 869625359. The reversal of 869625324 is 423526968.

It is a self number, because there is not a number n which added to its sum of digits gives 869625324.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1014304 + ... + 1015160.

It is an arithmetic number, because the mean of its divisors is an integer number (31075044).

Almost surely, 2^869625324 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 869625324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1118701584).

869625324 is an abundant number, since it is smaller than the sum of its proper divisors (1367777844).

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

869625324 is a wasteful number, since it uses less digits than its factorization.

869625324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335 (or 1330 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 869625324 is about 29489.4103705042. The cubic root of 869625324 is about 954.5032088069.

The spelling of 869625324 in words is "eight hundred sixty-nine million, six hundred twenty-five thousand, three hundred twenty-four".