89340913 has 2 divisors, whose sum is σ = 89340914. Its totient is φ = 89340912.

The previous prime is 89340893. The next prime is 89340917. The reversal of 89340913 is 31904398.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78004224 + 11336689 = 8832^2 + 3367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89340913 is a prime.

It is not a weakly prime, because it can be changed into another prime (89340917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44670456 + 44670457.

It is an arithmetic number, because the mean of its divisors is an integer number (44670457).

Almost surely, 2^89340913 is an apocalyptic number.

It is an amenable number.

89340913 is a deficient number, since it is larger than the sum of its proper divisors (1).

89340913 is an equidigital number, since it uses as much as digits as its factorization.

89340913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 89340913 is about 9452.0322153492. The cubic root of 89340913 is about 447.0438542490.

The spelling of 89340913 in words is "eighty-nine million, three hundred forty thousand, nine hundred thirteen".