103398917 has 2 divisors, whose sum is σ = 103398918. Its totient is φ = 103398916.

The previous prime is 103398859. The next prime is 103398929. The reversal of 103398917 is 719893301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102535876 + 863041 = 10126^2 + 929^2 .

It is a cyclic number.

It is not a de Polignac number, because 103398917 - 2⁶ = 103398853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103398517) 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, 51699458 + 51699459.

It is an arithmetic number, because the mean of its divisors is an integer number (51699459).

Almost surely, 2^103398917 is an apocalyptic number.

It is an amenable number.

103398917 is a deficient number, since it is larger than the sum of its proper divisors (1).

103398917 is an equidigital number, since it uses as much as digits as its factorization.

103398917 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 41.

The square root of 103398917 is about 10168.5258026914. The cubic root of 103398917 is about 469.3591946170.

The spelling of 103398917 in words is "one hundred three million, three hundred ninety-eight thousand, nine hundred seventeen".