916903417 has 2 divisors, whose sum is σ = 916903418. Its totient is φ = 916903416.

The previous prime is 916903373. The next prime is 916903451. The reversal of 916903417 is 714309619.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 583512336 + 333391081 = 24156^2 + 18259^2 .

It is a cyclic number.

It is not a de Polignac number, because 916903417 - 2⁷ = 916903289 is a prime.

It is a super-2 number, since 2×916903417² = 1681423752212551778, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 916903417.

It is not a weakly prime, because it can be changed into another prime (916903457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458451708 + 458451709.

It is an arithmetic number, because the mean of its divisors is an integer number (458451709).

Almost surely, 2^916903417 is an apocalyptic number.

It is an amenable number.

916903417 is a deficient number, since it is larger than the sum of its proper divisors (1).

916903417 is an equidigital number, since it uses as much as digits as its factorization.

916903417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 916903417 is about 30280.4130916340. The cubic root of 916903417 is about 971.4964032703.

The spelling of 916903417 in words is "nine hundred sixteen million, nine hundred three thousand, four hundred seventeen".