103855439 has 2 divisors, whose sum is σ = 103855440. Its totient is φ = 103855438.

The previous prime is 103855403. The next prime is 103855441. The reversal of 103855439 is 934558301.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103855439 - 2²⁰ = 102806863 is a prime.

Together with 103855441, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103855459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51927719 + 51927720.

It is an arithmetic number, because the mean of its divisors is an integer number (51927720).

Almost surely, 2^103855439 is an apocalyptic number.

103855439 is a deficient number, since it is larger than the sum of its proper divisors (1).

103855439 is an equidigital number, since it uses as much as digits as its factorization.

103855439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 103855439 is about 10190.9488763314. The cubic root of 103855439 is about 470.0489446539.

The spelling of 103855439 in words is "one hundred three million, eight hundred fifty-five thousand, four hundred thirty-nine".