104342939 has 2 divisors, whose sum is σ = 104342940. Its totient is φ = 104342938.

The previous prime is 104342933. The next prime is 104343011. The reversal of 104342939 is 939243401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104342939 - 2¹⁶ = 104277403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104342899 and 104342908.

It is not a weakly prime, because it can be changed into another prime (104342933) 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 as a sum of consecutive naturals, namely, 52171469 + 52171470.

It is an arithmetic number, because the mean of its divisors is an integer number (52171470).

Almost surely, 2^104342939 is an apocalyptic number.

104342939 is a deficient number, since it is larger than the sum of its proper divisors (1).

104342939 is an equidigital number, since it uses as much as digits as its factorization.

104342939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 104342939 is about 10214.8391568345. The cubic root of 104342939 is about 470.7832706598.

It can be divided in two parts, 1043429 and 39, that multiplied together give a triangular number (40693731 = T₉₀₂₁).

The spelling of 104342939 in words is "one hundred four million, three hundred forty-two thousand, nine hundred thirty-nine".