889030889 has 4 divisors (see below), whose sum is σ = 889277520. Its totient is φ = 888784260.

The previous prime is 889030867. The next prime is 889030907. The reversal of 889030889 is 988030988.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 889030889 - 2¹⁶ = 888965353 is a prime.

It is a super-2 number, since 2×889030889² = 1580751843192260642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 889030889.

It is not an unprimeable number, because it can be changed into a prime (889030819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117827 + ... + 125144.

It is an arithmetic number, because the mean of its divisors is an integer number (222319380).

Almost surely, 2^889030889 is an apocalyptic number.

It is an amenable number.

889030889 is a deficient number, since it is larger than the sum of its proper divisors (246631).

889030889 is a wasteful number, since it uses less digits than its factorization.

889030889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246630.

The product of its (nonzero) digits is 995328, while the sum is 53.

The square root of 889030889 is about 29816.6210191564. The cubic root of 889030889 is about 961.5509107119.

Subtracting 889030889 from its reverse (988030988), we obtain a palindrome (99000099).

The spelling of 889030889 in words is "eight hundred eighty-nine million, thirty thousand, eight hundred eighty-nine".