889528321 has 8 divisors (see below), whose sum is σ = 970785504. Its totient is φ = 808336320.

The previous prime is 889528313. The next prime is 889528351. The reversal of 889528321 is 123825988.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 889528321 - 2³ = 889528313 is a prime.

It is a super-2 number, since 2×889528321² = 1582521267722158082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889528351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14841 + ... + 44713.

It is an arithmetic number, because the mean of its divisors is an integer number (121348188).

Almost surely, 2^889528321 is an apocalyptic number.

It is an amenable number.

889528321 is a deficient number, since it is larger than the sum of its proper divisors (81257183).

889528321 is a wasteful number, since it uses less digits than its factorization.

889528321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32591.

The product of its digits is 276480, while the sum is 46.

The square root of 889528321 is about 29824.9613746607. The cubic root of 889528321 is about 961.7302134481.

The spelling of 889528321 in words is "eight hundred eighty-nine million, five hundred twenty-eight thousand, three hundred twenty-one".