889411329 has 9 divisors (see below), whose sum is σ = 1284834499. Its totient is φ = 592881240.

The previous prime is 889411279. The next prime is 889411331. The reversal of 889411329 is 923114988.

The square root of 889411329 is 29823.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 178929 + 889232400 = 423^2 + 29820^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 889411329 - 2²³ = 881022721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889411349) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 84499 + ... + 94439.

Almost surely, 2^889411329 is an apocalyptic number.

889411329 is the 29823-rd square number.

889411329 is the 14912-nd centered octagonal number.

It is an amenable number.

889411329 is a deficient number, since it is larger than the sum of its proper divisors (395423170).

889411329 is an frugal number, since it uses more digits than its factorization.

889411329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19888 (or 9944 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The cubic root of 889411329 is about 961.6880489018.

The spelling of 889411329 in words is "eight hundred eighty-nine million, four hundred eleven thousand, three hundred twenty-nine".