93989849 has 2 divisors, whose sum is σ = 93989850. Its totient is φ = 93989848.

The previous prime is 93989839. The next prime is 93989933. The reversal of 93989849 is 94898939.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85895824 + 8094025 = 9268^2 + 2845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93989849 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (93989839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46994924 + 46994925.

It is an arithmetic number, because the mean of its divisors is an integer number (46994925).

Almost surely, 2^93989849 is an apocalyptic number.

It is an amenable number.

93989849 is a deficient number, since it is larger than the sum of its proper divisors (1).

93989849 is an equidigital number, since it uses as much as digits as its factorization.

93989849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5038848, while the sum is 59.

The square root of 93989849 is about 9694.8362028453. The cubic root of 93989849 is about 454.6672267914.

The spelling of 93989849 in words is "ninety-three million, nine hundred eighty-nine thousand, eight hundred forty-nine".