89309317 has 2 divisors, whose sum is σ = 89309318. Its totient is φ = 89309316.

The previous prime is 89309309. The next prime is 89309327. The reversal of 89309317 is 71390398.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52330756 + 36978561 = 7234^2 + 6081^2 .

It is a cyclic number.

It is not a de Polignac number, because 89309317 - 2³ = 89309309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89309317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89309327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44654658 + 44654659.

It is an arithmetic number, because the mean of its divisors is an integer number (44654659).

Almost surely, 2^89309317 is an apocalyptic number.

It is an amenable number.

89309317 is a deficient number, since it is larger than the sum of its proper divisors (1).

89309317 is an equidigital number, since it uses as much as digits as its factorization.

89309317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 89309317 is about 9450.3606809476. The cubic root of 89309317 is about 446.9911480379.

The spelling of 89309317 in words is "eighty-nine million, three hundred nine thousand, three hundred seventeen".