103708809 has 16 divisors (see below), whose sum is σ = 154328640. Its totient is φ = 68830560.

The previous prime is 103708753. The next prime is 103708853. The reversal of 103708809 is 908807301.

It is not a de Polignac number, because 103708809 - 2¹¹ = 103706761 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103708889) 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 in 15 ways as a sum of consecutive naturals, for example, 2332 + ... + 14589.

It is an arithmetic number, because the mean of its divisors is an integer number (9645540).

Almost surely, 2^103708809 is an apocalyptic number.

It is an amenable number.

103708809 is a deficient number, since it is larger than the sum of its proper divisors (50619831).

103708809 is a wasteful number, since it uses less digits than its factorization.

103708809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17157 (or 17151 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 103708809 is about 10183.7522063334. The cubic root of 103708809 is about 469.8276250334.

The spelling of 103708809 in words is "one hundred three million, seven hundred eight thousand, eight hundred nine".