93688841 has 2 divisors, whose sum is σ = 93688842. Its totient is φ = 93688840.

The previous prime is 93688817. The next prime is 93688843. The reversal of 93688841 is 14888639.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92236816 + 1452025 = 9604^2 + 1205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93688841 is a prime.

It is a Sophie Germain prime.

Together with 93688843, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (93688843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46844420 + 46844421.

It is an arithmetic number, because the mean of its divisors is an integer number (46844421).

Almost surely, 2^93688841 is an apocalyptic number.

It is an amenable number.

93688841 is a deficient number, since it is larger than the sum of its proper divisors (1).

93688841 is an equidigital number, since it uses as much as digits as its factorization.

93688841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 47.

The square root of 93688841 is about 9679.2996130918. The cubic root of 93688841 is about 454.1813415827.

The spelling of 93688841 in words is "ninety-three million, six hundred eighty-eight thousand, eight hundred forty-one".