1084217 has 2 divisors, whose sum is σ = 1084218. Its totient is φ = 1084216.

The previous prime is 1084177. The next prime is 1084219. The reversal of 1084217 is 7124801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 942841 + 141376 = 971^2 + 376^2 .

It is an emirp because it is prime and its reverse (7124801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1084217 - 2¹⁰ = 1083193 is a prime.

Together with 1084219, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1084192 and 1084201.

It is not a weakly prime, because it can be changed into another prime (1084219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542108 + 542109.

It is an arithmetic number, because the mean of its divisors is an integer number (542109).

2^1084217 is an apocalyptic number.

It is an amenable number.

1084217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1084217 is an equidigital number, since it uses as much as digits as its factorization.

1084217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 1084217 is about 1041.2574129388. The cubic root of 1084217 is about 102.7319198281.

The spelling of 1084217 in words is "one million, eighty-four thousand, two hundred seventeen".