93849389 has 2 divisors, whose sum is σ = 93849390. Its totient is φ = 93849388.

The previous prime is 93849359. The next prime is 93849391. The reversal of 93849389 is 98394839.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90573289 + 3276100 = 9517^2 + 1810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93849389 is a prime.

Together with 93849391, 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 93849389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93849319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46924694 + 46924695.

It is an arithmetic number, because the mean of its divisors is an integer number (46924695).

Almost surely, 2^93849389 is an apocalyptic number.

It is an amenable number.

93849389 is a deficient number, since it is larger than the sum of its proper divisors (1).

93849389 is an equidigital number, since it uses as much as digits as its factorization.

93849389 is an evil number, because the sum of its binary digits is even.

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

The square root of 93849389 is about 9687.5894318453. The cubic root of 93849389 is about 454.4406264432.

The spelling of 93849389 in words is "ninety-three million, eight hundred forty-nine thousand, three hundred eighty-nine".