889923 has 16 divisors (see below), whose sum is σ = 1257120. Its totient is φ = 559104.

The previous prime is 889921. The next prime is 889937. The reversal of 889923 is 329988.

It is not a de Polignac number, because 889923 - 2¹ = 889921 is a prime.

889923 is a lucky number.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4515 + ... + 4707.

It is an arithmetic number, because the mean of its divisors is an integer number (78570).

2⁸⁸⁹⁹²³ is an apocalyptic number.

889923 is a deficient number, since it is larger than the sum of its proper divisors (367197).

889923 is a wasteful number, since it uses less digits than its factorization.

889923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278.

The product of its digits is 31104, while the sum is 39.

The square root of 889923 is about 943.3573024046. The cubic root of 889923 is about 96.1872430615.

It can be divided in two parts, 88 and 9923, that added together give a triangular number (10011 = T₁₄₁).

The spelling of 889923 in words is "eight hundred eighty-nine thousand, nine hundred twenty-three".