89338309 has 2 divisors, whose sum is σ = 89338310. Its totient is φ = 89338308.

The previous prime is 89338307. The next prime is 89338321. The reversal of 89338309 is 90383398.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77053284 + 12285025 = 8778^2 + 3505^2 .

It is a cyclic number.

It is not a de Polignac number, because 89338309 - 2¹ = 89338307 is a prime.

Together with 89338307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89338307) 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, 44669154 + 44669155.

It is an arithmetic number, because the mean of its divisors is an integer number (44669155).

Almost surely, 2^89338309 is an apocalyptic number.

It is an amenable number.

89338309 is a deficient number, since it is larger than the sum of its proper divisors (1).

89338309 is an equidigital number, since it uses as much as digits as its factorization.

89338309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 89338309 is about 9451.8944661904. The cubic root of 89338309 is about 447.0395109104.

The spelling of 89338309 in words is "eighty-nine million, three hundred thirty-eight thousand, three hundred nine".