89415593 has 2 divisors, whose sum is σ = 89415594. Its totient is φ = 89415592.

The previous prime is 89415581. The next prime is 89415661. The reversal of 89415593 is 39551498.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67108864 + 22306729 = 8192^2 + 4723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89415593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (89417593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44707796 + 44707797.

It is an arithmetic number, because the mean of its divisors is an integer number (44707797).

Almost surely, 2^89415593 is an apocalyptic number.

It is an amenable number.

89415593 is a deficient number, since it is larger than the sum of its proper divisors (1).

89415593 is an equidigital number, since it uses as much as digits as its factorization.

89415593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 44.

The square root of 89415593 is about 9455.9818633498. The cubic root of 89415593 is about 447.1683807621.

The spelling of 89415593 in words is "eighty-nine million, four hundred fifteen thousand, five hundred ninety-three".