93242789 has 2 divisors, whose sum is σ = 93242790. Its totient is φ = 93242788.

The previous prime is 93242777. The next prime is 93242797. The reversal of 93242789 is 98724239.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64673764 + 28569025 = 8042^2 + 5345^2 .

It is an emirp because it is prime and its reverse (98724239) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-93242789 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93262789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46621394 + 46621395.

It is an arithmetic number, because the mean of its divisors is an integer number (46621395).

Almost surely, 2^93242789 is an apocalyptic number.

It is an amenable number.

93242789 is a deficient number, since it is larger than the sum of its proper divisors (1).

93242789 is an equidigital number, since it uses as much as digits as its factorization.

93242789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 44.

The square root of 93242789 is about 9656.2305792685. The cubic root of 93242789 is about 453.4594097986.

The spelling of 93242789 in words is "ninety-three million, two hundred forty-two thousand, seven hundred eighty-nine".