889509854 has 16 divisors (see below), whose sum is σ = 1348558848. Its totient is φ = 439999032.

The previous prime is 889509847. The next prime is 889509857. The reversal of 889509854 is 458905988.

It is a self number, because there is not a number n which added to its sum of digits gives 889509854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889509857) 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 7 ways as a sum of consecutive naturals, for example, 329699 + ... + 332385.

It is an arithmetic number, because the mean of its divisors is an integer number (84284928).

Almost surely, 2^889509854 is an apocalyptic number.

889509854 is a deficient number, since it is larger than the sum of its proper divisors (459048994).

889509854 is a wasteful number, since it uses less digits than its factorization.

889509854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4399.

The product of its (nonzero) digits is 4147200, while the sum is 56.

The square root of 889509854 is about 29824.6517833821. The cubic root of 889509854 is about 961.7235580877.

The spelling of 889509854 in words is "eight hundred eighty-nine million, five hundred nine thousand, eight hundred fifty-four".