2390117 has 2 divisors, whose sum is σ = 2390118. Its totient is φ = 2390116.

The previous prime is 2390111. The next prime is 2390123. The reversal of 2390117 is 7110932.

It is a Cunningham number, because it is equal to 1546²+1.

It is a balanced prime because it is at equal distance from previous prime (2390111) and next prime (2390123).

It can be written as a sum of positive squares in only one way, i.e., 2390116 + 1 = 1546^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 2390117 - 2⁶ = 2390053 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2390092 and 2390101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2390111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1195058 + 1195059.

It is an arithmetic number, because the mean of its divisors is an integer number (1195059).

2^2390117 is an apocalyptic number.

It is an amenable number.

2390117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2390117 is an equidigital number, since it uses as much as digits as its factorization.

2390117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 2390117 is about 1546.0003234152. Note that the first 3 decimals coincide. The cubic root of 2390117 is about 133.7025592368.

The spelling of 2390117 in words is "two million, three hundred ninety thousand, one hundred seventeen".