93899849 has 2 divisors, whose sum is σ = 93899850. Its totient is φ = 93899848.

The previous prime is 93899791. The next prime is 93899879. The reversal of 93899849 is 94899839.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84640000 + 9259849 = 9200^2 + 3043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93899849 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 (93899879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46949924 + 46949925.

It is an arithmetic number, because the mean of its divisors is an integer number (46949925).

Almost surely, 2^93899849 is an apocalyptic number.

It is an amenable number.

93899849 is a deficient number, since it is larger than the sum of its proper divisors (1).

93899849 is an equidigital number, since it uses as much as digits as its factorization.

93899849 is an evil number, because the sum of its binary digits is even.

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

The square root of 93899849 is about 9690.1934449215. The cubic root of 93899849 is about 454.5220582127.

The spelling of 93899849 in words is "ninety-three million, eight hundred ninety-nine thousand, eight hundred forty-nine".