889261 has 2 divisors, whose sum is σ = 889262. Its totient is φ = 889260.

The previous prime is 889247. The next prime is 889271. The reversal of 889261 is 162988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 866761 + 22500 = 931^2 + 150^2 .

It is a cyclic number.

It is not a de Polignac number, because 889261 - 2¹⁷ = 758189 is a prime.

It is a super-2 number, since 2×889261² = 1581570252242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (889211) 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 as a sum of consecutive naturals, namely, 444630 + 444631.

It is an arithmetic number, because the mean of its divisors is an integer number (444631).

2⁸⁸⁹²⁶¹ is an apocalyptic number.

It is an amenable number.

889261 is a deficient number, since it is larger than the sum of its proper divisors (1).

889261 is an equidigital number, since it uses as much as digits as its factorization.

889261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 34.

The square root of 889261 is about 943.0063626509. The cubic root of 889261 is about 96.1633864093.

The spelling of 889261 in words is "eight hundred eighty-nine thousand, two hundred sixty-one".