103988217 has 4 divisors (see below), whose sum is σ = 138650960. Its totient is φ = 69325476.

The previous prime is 103988161. The next prime is 103988237. The reversal of 103988217 is 712889301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 103988217 - 2⁶ = 103988153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103988237) 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 in 3 ways as a sum of consecutive naturals, for example, 17331367 + ... + 17331372.

It is an arithmetic number, because the mean of its divisors is an integer number (34662740).

Almost surely, 2^103988217 is an apocalyptic number.

It is an amenable number.

103988217 is a deficient number, since it is larger than the sum of its proper divisors (34662743).

103988217 is an equidigital number, since it uses as much as digits as its factorization.

103988217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34662742.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 103988217 is about 10197.4613017162. The cubic root of 103988217 is about 470.2491767602.

The spelling of 103988217 in words is "one hundred three million, nine hundred eighty-eight thousand, two hundred seventeen".