94105391 has 2 divisors, whose sum is σ = 94105392. Its totient is φ = 94105390.

The previous prime is 94105379. The next prime is 94105399. The reversal of 94105391 is 19350149.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94105391 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94105399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47052695 + 47052696.

It is an arithmetic number, because the mean of its divisors is an integer number (47052696).

Almost surely, 2^94105391 is an apocalyptic number.

94105391 is a deficient number, since it is larger than the sum of its proper divisors (1).

94105391 is an equidigital number, since it uses as much as digits as its factorization.

94105391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 94105391 is about 9700.7933180746. The cubic root of 94105391 is about 454.8534584238.

The spelling of 94105391 in words is "ninety-four million, one hundred five thousand, three hundred ninety-one".