104389427 has 2 divisors, whose sum is σ = 104389428. Its totient is φ = 104389426.

The previous prime is 104389393. The next prime is 104389429. The reversal of 104389427 is 724983401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104389427 is a prime.

Together with 104389429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104389429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52194713 + 52194714.

It is an arithmetic number, because the mean of its divisors is an integer number (52194714).

Almost surely, 2^104389427 is an apocalyptic number.

104389427 is a deficient number, since it is larger than the sum of its proper divisors (1).

104389427 is an equidigital number, since it uses as much as digits as its factorization.

104389427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 104389427 is about 10217.1144165072. The cubic root of 104389427 is about 470.8531764385.

The spelling of 104389427 in words is "one hundred four million, three hundred eighty-nine thousand, four hundred twenty-seven".