2393917 has 2 divisors, whose sum is σ = 2393918. Its totient is φ = 2393916.

The previous prime is 2393899. The next prime is 2393927. The reversal of 2393917 is 7193932.

2393917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2056356 + 337561 = 1434^2 + 581^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2393917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2393927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1196958 + 1196959.

It is an arithmetic number, because the mean of its divisors is an integer number (1196959).

2^2393917 is an apocalyptic number.

It is an amenable number.

2393917 is a deficient number, since it is larger than the sum of its proper divisors (1).

2393917 is an equidigital number, since it uses as much as digits as its factorization.

2393917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10206, while the sum is 34.

The square root of 2393917 is about 1547.2288130719. The cubic root of 2393917 is about 133.7733787415.

The spelling of 2393917 in words is "two million, three hundred ninety-three thousand, nine hundred seventeen".