1942417 has 2 divisors, whose sum is σ = 1942418. Its totient is φ = 1942416.

The previous prime is 1942411. The next prime is 1942433. The reversal of 1942417 is 7142491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1478656 + 463761 = 1216^2 + 681^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1942417 is a prime.

It is not a weakly prime, because it can be changed into another prime (1942411) 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, 971208 + 971209.

It is an arithmetic number, because the mean of its divisors is an integer number (971209).

2^1942417 is an apocalyptic number.

It is an amenable number.

1942417 is a deficient number, since it is larger than the sum of its proper divisors (1).

1942417 is an equidigital number, since it uses as much as digits as its factorization.

1942417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 28.

The square root of 1942417 is about 1393.7062100744. The cubic root of 1942417 is about 124.7711439215.

It can be divided in two parts, 19 and 42417, that added together give a square (42436 = 206²).

The spelling of 1942417 in words is "one million, nine hundred forty-two thousand, four hundred seventeen".