89394197 has 2 divisors, whose sum is σ = 89394198. Its totient is φ = 89394196.

The previous prime is 89394167. The next prime is 89394203. The reversal of 89394197 is 79149398.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89226916 + 167281 = 9446^2 + 409^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89394197 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89394127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44697098 + 44697099.

It is an arithmetic number, because the mean of its divisors is an integer number (44697099).

Almost surely, 2^89394197 is an apocalyptic number.

It is an amenable number.

89394197 is a deficient number, since it is larger than the sum of its proper divisors (1).

89394197 is an equidigital number, since it uses as much as digits as its factorization.

89394197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 50.

The square root of 89394197 is about 9454.8504483149. The cubic root of 89394197 is about 447.1327107050.

The spelling of 89394197 in words is "eighty-nine million, three hundred ninety-four thousand, one hundred ninety-seven".