2918417 has 2 divisors, whose sum is σ = 2918418. Its totient is φ = 2918416.

The previous prime is 2918413. The next prime is 2918431. The reversal of 2918417 is 7148192.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2563201 + 355216 = 1601^2 + 596^2 .

It is a cyclic number.

It is not a de Polignac number, because 2918417 - 2² = 2918413 is a prime.

It is not a weakly prime, because it can be changed into another prime (2918411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1459208 + 1459209.

It is an arithmetic number, because the mean of its divisors is an integer number (1459209).

2^2918417 is an apocalyptic number.

It is an amenable number.

2918417 is a deficient number, since it is larger than the sum of its proper divisors (1).

2918417 is an equidigital number, since it uses as much as digits as its factorization.

2918417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 32.

The square root of 2918417 is about 1708.3374959299. The cubic root of 2918417 is about 142.9055564957.

The spelling of 2918417 in words is "two million, nine hundred eighteen thousand, four hundred seventeen".