889523 has 4 divisors (see below), whose sum is σ = 936360. Its totient is φ = 842688.

The previous prime is 889519. The next prime is 889579. The reversal of 889523 is 325988.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 889523 - 2² = 889519 is a prime.

It is a d-powerful number, because it can be written as 8⁴ + 8⁵ + 5² + 9⁵ + 2¹⁸ + 3¹² .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889123) 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 3 ways as a sum of consecutive naturals, for example, 23390 + ... + 23427.

It is an arithmetic number, because the mean of its divisors is an integer number (234090).

2⁸⁸⁹⁵²³ is an apocalyptic number.

889523 is a deficient number, since it is larger than the sum of its proper divisors (46837).

889523 is a wasteful number, since it uses less digits than its factorization.

889523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46836.

The product of its digits is 17280, while the sum is 35.

The square root of 889523 is about 943.1452698286. The cubic root of 889523 is about 96.1728295811.

The spelling of 889523 in words is "eight hundred eighty-nine thousand, five hundred twenty-three".