89605393 has 2 divisors, whose sum is σ = 89605394. Its totient is φ = 89605392.

The previous prime is 89605367. The next prime is 89605423. The reversal of 89605393 is 39350698.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83685904 + 5919489 = 9148^2 + 2433^2 .

It is a cyclic number.

It is not a de Polignac number, because 89605393 - 2¹⁷ = 89474321 is a prime.

It is not a weakly prime, because it can be changed into another prime (89605193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44802696 + 44802697.

It is an arithmetic number, because the mean of its divisors is an integer number (44802697).

Almost surely, 2^89605393 is an apocalyptic number.

It is an amenable number.

89605393 is a deficient number, since it is larger than the sum of its proper divisors (1).

89605393 is an equidigital number, since it uses as much as digits as its factorization.

89605393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 89605393 is about 9466.0125184789. The cubic root of 89605393 is about 447.4845544641.

It can be divided in two parts, 89605 and 393, that added together give a palindrome (89998).

The spelling of 89605393 in words is "eighty-nine million, six hundred five thousand, three hundred ninety-three".