889873 has 2 divisors, whose sum is σ = 889874. Its totient is φ = 889872.

The previous prime is 889871. The next prime is 889877. The reversal of 889873 is 378988.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 804609 + 85264 = 897^2 + 292^2 .

It is a cyclic number.

It is not a de Polignac number, because 889873 - 2¹ = 889871 is a prime.

It is a super-2 number, since 2×889873² = 1583747912258, which contains 22 as substring.

Together with 889871, it forms a pair of twin primes.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (889871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444936 + 444937.

It is an arithmetic number, because the mean of its divisors is an integer number (444937).

2⁸⁸⁹⁸⁷³ is an apocalyptic number.

It is an amenable number.

889873 is a deficient number, since it is larger than the sum of its proper divisors (1).

889873 is an equidigital number, since it uses as much as digits as its factorization.

889873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 43.

The square root of 889873 is about 943.3308009389. The cubic root of 889873 is about 96.1854416127.

The spelling of 889873 in words is "eight hundred eighty-nine thousand, eight hundred seventy-three".