103849979 has 2 divisors, whose sum is σ = 103849980. Its totient is φ = 103849978.

The previous prime is 103849961. The next prime is 103849987. The reversal of 103849979 is 979948301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103849979 - 2¹² = 103845883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (103849919) 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 as a sum of consecutive naturals, namely, 51924989 + 51924990.

It is an arithmetic number, because the mean of its divisors is an integer number (51924990).

Almost surely, 2^103849979 is an apocalyptic number.

103849979 is a deficient number, since it is larger than the sum of its proper divisors (1).

103849979 is an equidigital number, since it uses as much as digits as its factorization.

103849979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 103849979 is about 10190.6809880400. The cubic root of 103849979 is about 470.0407072030.

The spelling of 103849979 in words is "one hundred three million, eight hundred forty-nine thousand, nine hundred seventy-nine".