2390917 has 2 divisors, whose sum is σ = 2390918. Its totient is φ = 2390916.

The previous prime is 2390911. The next prime is 2390923. The reversal of 2390917 is 7190932.

2390917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (2390911) and next prime (2390923).

It can be written as a sum of positive squares in only one way, i.e., 1640961 + 749956 = 1281^2 + 866^2 .

It is a cyclic number.

It is not a de Polignac number, because 2390917 - 2³ = 2390909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2390911) 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, 1195458 + 1195459.

It is an arithmetic number, because the mean of its divisors is an integer number (1195459).

2^2390917 is an apocalyptic number.

It is an amenable number.

2390917 is a deficient number, since it is larger than the sum of its proper divisors (1).

2390917 is an equidigital number, since it uses as much as digits as its factorization.

2390917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 2390917 is about 1546.2590339267. The cubic root of 2390917 is about 133.7174748408.

The spelling of 2390917 in words is "two million, three hundred ninety thousand, nine hundred seventeen".