89869841 has 2 divisors, whose sum is σ = 89869842. Its totient is φ = 89869840.

The previous prime is 89869831. The next prime is 89869873. The reversal of 89869841 is 14896898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47554816 + 42315025 = 6896^2 + 6505^2 .

It is a cyclic number.

It is not a de Polignac number, because 89869841 - 2⁶ = 89869777 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89869831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44934920 + 44934921.

It is an arithmetic number, because the mean of its divisors is an integer number (44934921).

Almost surely, 2^89869841 is an apocalyptic number.

It is an amenable number.

89869841 is a deficient number, since it is larger than the sum of its proper divisors (1).

89869841 is an equidigital number, since it uses as much as digits as its factorization.

89869841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 53.

The square root of 89869841 is about 9479.9705168318. The cubic root of 89869841 is about 447.9243351832.

The spelling of 89869841 in words is "eighty-nine million, eight hundred sixty-nine thousand, eight hundred forty-one".