91836383 has 2 divisors, whose sum is σ = 91836384. Its totient is φ = 91836382.

The previous prime is 91836379. The next prime is 91836403. The reversal of 91836383 is 38363819.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91836383 - 2² = 91836379 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 91836383.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91836683) 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, 45918191 + 45918192.

It is an arithmetic number, because the mean of its divisors is an integer number (45918192).

Almost surely, 2^91836383 is an apocalyptic number.

91836383 is a deficient number, since it is larger than the sum of its proper divisors (1).

91836383 is an equidigital number, since it uses as much as digits as its factorization.

91836383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 41.

The square root of 91836383 is about 9583.1301253818. The cubic root of 91836383 is about 451.1679667640.

The spelling of 91836383 in words is "ninety-one million, eight hundred thirty-six thousand, three hundred eighty-three".