89986441 has 2 divisors, whose sum is σ = 89986442. Its totient is φ = 89986440.

The previous prime is 89986439. The next prime is 89986471. The reversal of 89986441 is 14468998.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66015625 + 23970816 = 8125^2 + 4896^2 .

It is a cyclic number.

It is not a de Polignac number, because 89986441 - 2¹ = 89986439 is a prime.

Together with 89986439, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (89986411) 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, 44993220 + 44993221.

It is an arithmetic number, because the mean of its divisors is an integer number (44993221).

Almost surely, 2^89986441 is an apocalyptic number.

It is an amenable number.

89986441 is a deficient number, since it is larger than the sum of its proper divisors (1).

89986441 is an equidigital number, since it uses as much as digits as its factorization.

89986441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 49.

The square root of 89986441 is about 9486.1183315411. The cubic root of 89986441 is about 448.1179685747.

The spelling of 89986441 in words is "eighty-nine million, nine hundred eighty-six thousand, four hundred forty-one".