103984393 has 8 divisors (see below), whose sum is σ = 113077512. Its totient is φ = 95222016.

The previous prime is 103984379. The next prime is 103984417. The reversal of 103984393 is 393489301.

It can be written as a sum of positive squares in 4 ways, for example, as 14341369 + 89643024 = 3787^2 + 9468^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-103984393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103984333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82030 + ... + 83287.

It is an arithmetic number, because the mean of its divisors is an integer number (14134689).

Almost surely, 2^103984393 is an apocalyptic number.

It is an amenable number.

103984393 is a deficient number, since it is larger than the sum of its proper divisors (9093119).

103984393 is a wasteful number, since it uses less digits than its factorization.

103984393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165371.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 103984393 is about 10197.2738023454. The cubic root of 103984393 is about 470.2434124696.

The spelling of 103984393 in words is "one hundred three million, nine hundred eighty-four thousand, three hundred ninety-three".