91847341 has 2 divisors, whose sum is σ = 91847342. Its totient is φ = 91847340.

The previous prime is 91847309. The next prime is 91847347. The reversal of 91847341 is 14374819.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81830116 + 10017225 = 9046^2 + 3165^2 .

It is a cyclic number.

It is not a de Polignac number, because 91847341 - 2⁵ = 91847309 is a prime.

It is a super-3 number, since 3×91847341³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 91847341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91847347) 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, 45923670 + 45923671.

It is an arithmetic number, because the mean of its divisors is an integer number (45923671).

Almost surely, 2^91847341 is an apocalyptic number.

It is an amenable number.

91847341 is a deficient number, since it is larger than the sum of its proper divisors (1).

91847341 is an equidigital number, since it uses as much as digits as its factorization.

91847341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 37.

The square root of 91847341 is about 9583.7018421902. The cubic root of 91847341 is about 451.1859106398.

The spelling of 91847341 in words is "ninety-one million, eight hundred forty-seven thousand, three hundred forty-one".