889745830 has 32 divisors (see below), whose sum is σ = 1697391936. Its totient is φ = 334639104.

The previous prime is 889745713. The next prime is 889745833. The reversal of 889745830 is 38547988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889745833) 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 15 ways as a sum of consecutive naturals, for example, 244182 + ... + 247798.

It is an arithmetic number, because the mean of its divisors is an integer number (53043498).

Almost surely, 2^889745830 is an apocalyptic number.

889745830 is a deficient number, since it is larger than the sum of its proper divisors (807646106).

889745830 is a wasteful number, since it uses less digits than its factorization.

889745830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5088.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The square root of 889745830 is about 29828.6075772906. The cubic root of 889745830 is about 961.8085950369.

The spelling of 889745830 in words is "eight hundred eighty-nine million, seven hundred forty-five thousand, eight hundred thirty".