89963 has 2 divisors, whose sum is σ = 89964. Its totient is φ = 89962.

The previous prime is 89959. The next prime is 89977. The reversal of 89963 is 36998.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89963 - 2² = 89959 is a prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (89923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44981 + 44982.

It is an arithmetic number, because the mean of its divisors is an integer number (44982).

2⁸⁹⁹⁶³ is an apocalyptic number.

89963 is a deficient number, since it is larger than the sum of its proper divisors (1).

89963 is an equidigital number, since it uses as much as digits as its factorization.

89963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 35.

The square root of 89963 is about 299.9383269941. The cubic root of 89963 is about 44.8079054395.

Adding to 89963 its sum of digits (35), we get a palindrome (89998).

The spelling of 89963 in words is "eighty-nine thousand, nine hundred sixty-three".