889239 has 12 divisors (see below), whose sum is σ = 1285368. Its totient is φ = 543600.

The previous prime is 889237. The next prime is 889247. The reversal of 889239 is 932988.

It is not a de Polignac number, because 889239 - 2¹ = 889237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 889197 and 889206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889237) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5814 + ... + 5964.

It is an arithmetic number, because the mean of its divisors is an integer number (107114).

2⁸⁸⁹²³⁹ is an apocalyptic number.

889239 is a deficient number, since it is larger than the sum of its proper divisors (396129).

889239 is a wasteful number, since it uses less digits than its factorization.

889239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 167 counting only the distinct ones).

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

The square root of 889239 is about 942.9946977582. The cubic root of 889239 is about 96.1625933868.

Multiplying 889239 by its sum of digits (39), we get a square (34680321 = 5889²).

889239 divided by its sum of digits (39) gives a square (22801 = 151²).

It can be divided in two parts, 889 and 239, that added together give a triangular number (1128 = T₄₇).

The spelling of 889239 in words is "eight hundred eighty-nine thousand, two hundred thirty-nine".