89399291 has 2 divisors, whose sum is σ = 89399292. Its totient is φ = 89399290.

The previous prime is 89399267. The next prime is 89399309. The reversal of 89399291 is 19299398.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89399291 - 2¹⁴ = 89382907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89399201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44699645 + 44699646.

It is an arithmetic number, because the mean of its divisors is an integer number (44699646).

Almost surely, 2^89399291 is an apocalyptic number.

89399291 is a deficient number, since it is larger than the sum of its proper divisors (1).

89399291 is an equidigital number, since it uses as much as digits as its factorization.

89399291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 314928, while the sum is 50.

The square root of 89399291 is about 9455.1198300180. The cubic root of 89399291 is about 447.1412036156.

The spelling of 89399291 in words is "eighty-nine million, three hundred ninety-nine thousand, two hundred ninety-one".