103839193 has 2 divisors, whose sum is σ = 103839194. Its totient is φ = 103839192.

The previous prime is 103839191. The next prime is 103839221. The reversal of 103839193 is 391938301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68757264 + 35081929 = 8292^2 + 5923^2 .

It is a cyclic number.

It is not a de Polignac number, because 103839193 - 2¹ = 103839191 is a prime.

Together with 103839191, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (103839191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51919596 + 51919597.

It is an arithmetic number, because the mean of its divisors is an integer number (51919597).

Almost surely, 2^103839193 is an apocalyptic number.

It is an amenable number.

103839193 is a deficient number, since it is larger than the sum of its proper divisors (1).

103839193 is an equidigital number, since it uses as much as digits as its factorization.

103839193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 103839193 is about 10190.1517653075. The cubic root of 103839193 is about 470.0244336173.

The spelling of 103839193 in words is "one hundred three million, eight hundred thirty-nine thousand, one hundred ninety-three".