99345893 has 2 divisors, whose sum is σ = 99345894. Its totient is φ = 99345892.

The previous prime is 99345863. The next prime is 99345907. The reversal of 99345893 is 39854399.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88698724 + 10647169 = 9418^2 + 3263^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99345893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99345803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49672946 + 49672947.

It is an arithmetic number, because the mean of its divisors is an integer number (49672947).

Almost surely, 2^99345893 is an apocalyptic number.

It is an amenable number.

99345893 is a deficient number, since it is larger than the sum of its proper divisors (1).

99345893 is an equidigital number, since it uses as much as digits as its factorization.

99345893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 50.

The square root of 99345893 is about 9967.2409923710. The cubic root of 99345893 is about 463.1446368013.

The spelling of 99345893 in words is "ninety-nine million, three hundred forty-five thousand, eight hundred ninety-three".