889963 has 2 divisors, whose sum is σ = 889964. Its totient is φ = 889962.

The previous prime is 889957. The next prime is 889997. The reversal of 889963 is 369988.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-889963 is a prime.

It is not a weakly prime, because it can be changed into another prime (889363) 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, 444981 + 444982.

It is an arithmetic number, because the mean of its divisors is an integer number (444982).

2⁸⁸⁹⁹⁶³ is an apocalyptic number.

889963 is a deficient number, since it is larger than the sum of its proper divisors (1).

889963 is an equidigital number, since it uses as much as digits as its factorization.

889963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 43.

The square root of 889963 is about 943.3785030411. The cubic root of 889963 is about 96.1886841720.

The spelling of 889963 in words is "eight hundred eighty-nine thousand, nine hundred sixty-three".