983939417 has 2 divisors, whose sum is σ = 983939418. Its totient is φ = 983939416.

The previous prime is 983939393. The next prime is 983939419. The reversal of 983939417 is 714939389.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 635594521 + 348344896 = 25211^2 + 18664^2 .

It is an emirp because it is prime and its reverse (714939389) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 983939417 - 2¹² = 983935321 is a prime.

Together with 983939419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (983939419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 491969708 + 491969709.

It is an arithmetic number, because the mean of its divisors is an integer number (491969709).

Almost surely, 2^983939417 is an apocalyptic number.

It is an amenable number.

983939417 is a deficient number, since it is larger than the sum of its proper divisors (1).

983939417 is an equidigital number, since it uses as much as digits as its factorization.

983939417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 53.

The square root of 983939417 is about 31367.8086101022. The cubic root of 983939417 is about 994.6175535817.

The spelling of 983939417 in words is "nine hundred eighty-three million, nine hundred thirty-nine thousand, four hundred seventeen".