103993939 has 16 divisors (see below), whose sum is σ = 124674048. Its totient is φ = 84873312.

The previous prime is 103993927. The next prime is 103993951. The reversal of 103993939 is 939399301.

It is an interprime number because it is at equal distance from previous prime (103993927) and next prime (103993951).

It is a cyclic number.

It is not a de Polignac number, because 103993939 - 2⁵ = 103993907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103993969) 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, 7902 + ... + 16444.

It is an arithmetic number, because the mean of its divisors is an integer number (7792128).

Almost surely, 2^103993939 is an apocalyptic number.

103993939 is a deficient number, since it is larger than the sum of its proper divisors (20680109).

103993939 is an equidigital number, since it uses as much as digits as its factorization.

103993939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8634.

The product of its (nonzero) digits is 177147, while the sum is 46.

The square root of 103993939 is about 10197.7418578821. The cubic root of 103993939 is about 470.2578018285.

The spelling of 103993939 in words is "one hundred three million, nine hundred ninety-three thousand, nine hundred thirty-nine".