89867 has 2 divisors, whose sum is σ = 89868. Its totient is φ = 89866.

The previous prime is 89849. The next prime is 89891. The reversal of 89867 is 76898.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89867 - 2⁸ = 89611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89867.

It is not a weakly prime, because it can be changed into another prime (89897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44933 + 44934.

It is an arithmetic number, because the mean of its divisors is an integer number (44934).

2⁸⁹⁸⁶⁷ is an apocalyptic number.

89867 is a deficient number, since it is larger than the sum of its proper divisors (1).

89867 is an equidigital number, since it uses as much as digits as its factorization.

89867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 38.

The square root of 89867 is about 299.7782513792. The cubic root of 89867 is about 44.7919615148.

The spelling of 89867 in words is "eighty-nine thousand, eight hundred sixty-seven".