889555 has 8 divisors (see below), whose sum is σ = 1080000. Its totient is φ = 703296.

The previous prime is 889519. The next prime is 889579. The reversal of 889555 is 555988.

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

It is a cyclic number.

It is not a de Polignac number, because 889555 - 2⁹ = 889043 is a prime.

It is a plaindrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555 + ... + 1444.

It is an arithmetic number, because the mean of its divisors is an integer number (135000).

2⁸⁸⁹⁵⁵⁵ is an apocalyptic number.

889555 is a deficient number, since it is larger than the sum of its proper divisors (190445).

889555 is a wasteful number, since it uses less digits than its factorization.

889555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2093.

The product of its digits is 72000, while the sum is 40.

The square root of 889555 is about 943.1622341888. The cubic root of 889555 is about 96.1739828186.

It can be divided in two parts, 889 and 555, that added together give a square (1444 = 38²).

The spelling of 889555 in words is "eight hundred eighty-nine thousand, five hundred fifty-five".