93934889 has 2 divisors, whose sum is σ = 93934890. Its totient is φ = 93934888.

The previous prime is 93934847. The next prime is 93934891. The reversal of 93934889 is 98843939.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93934864 + 25 = 9692^2 + 5^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93934889 is a prime.

Together with 93934891, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 93934889.

It is not a weakly prime, because it can be changed into another prime (93934289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46967444 + 46967445.

It is an arithmetic number, because the mean of its divisors is an integer number (46967445).

Almost surely, 2^93934889 is an apocalyptic number.

It is an amenable number.

93934889 is a deficient number, since it is larger than the sum of its proper divisors (1).

93934889 is an equidigital number, since it uses as much as digits as its factorization.

93934889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 53.

The square root of 93934889 is about 9692.0012897234. The cubic root of 93934889 is about 454.5785882017.

The spelling of 93934889 in words is "ninety-three million, nine hundred thirty-four thousand, eight hundred eighty-nine".