89841361 has 2 divisors, whose sum is σ = 89841362. Its totient is φ = 89841360.

The previous prime is 89841359. The next prime is 89841383. The reversal of 89841361 is 16314898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76475025 + 13366336 = 8745^2 + 3656^2 .

It is a cyclic number.

It is not a de Polignac number, because 89841361 - 2¹ = 89841359 is a prime.

Together with 89841359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (89041361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44920680 + 44920681.

It is an arithmetic number, because the mean of its divisors is an integer number (44920681).

Almost surely, 2^89841361 is an apocalyptic number.

It is an amenable number.

89841361 is a deficient number, since it is larger than the sum of its proper divisors (1).

89841361 is an equidigital number, since it uses as much as digits as its factorization.

89841361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 40.

The square root of 89841361 is about 9478.4682834306. The cubic root of 89841361 is about 447.8770140325.

The spelling of 89841361 in words is "eighty-nine million, eight hundred forty-one thousand, three hundred sixty-one".