104067391 has 2 divisors, whose sum is σ = 104067392. Its totient is φ = 104067390.

The previous prime is 104067367. The next prime is 104067401. The reversal of 104067391 is 193760401.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (193760401) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104067391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104067311) 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, 52033695 + 52033696.

It is an arithmetic number, because the mean of its divisors is an integer number (52033696).

Almost surely, 2^104067391 is an apocalyptic number.

104067391 is a deficient number, since it is larger than the sum of its proper divisors (1).

104067391 is an equidigital number, since it uses as much as digits as its factorization.

104067391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 104067391 is about 10201.3426077159. The cubic root of 104067391 is about 470.3684917632.

The spelling of 104067391 in words is "one hundred four million, sixty-seven thousand, three hundred ninety-one".