9955417 has 2 divisors, whose sum is σ = 9955418. Its totient is φ = 9955416.

The previous prime is 9955397. The next prime is 9955441. The reversal of 9955417 is 7145599.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6405961 + 3549456 = 2531^2 + 1884^2 .

It is an emirp because it is prime and its reverse (7145599) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9955417 - 2⁷ = 9955289 is a prime.

It is a super-2 number, since 2×9955417² = 198220655287778, which contains 22 as substring.

9955417 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9955417.

It is not a weakly prime, because it can be changed into another prime (9955447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4977708 + 4977709.

It is an arithmetic number, because the mean of its divisors is an integer number (4977709).

Almost surely, 2^9955417 is an apocalyptic number.

It is an amenable number.

9955417 is a deficient number, since it is larger than the sum of its proper divisors (1).

9955417 is an equidigital number, since it uses as much as digits as its factorization.

9955417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56700, while the sum is 40.

The square root of 9955417 is about 3155.2205945068. The cubic root of 9955417 is about 215.1228214765.

The spelling of 9955417 in words is "nine million, nine hundred fifty-five thousand, four hundred seventeen".