91934441 has 2 divisors, whose sum is σ = 91934442. Its totient is φ = 91934440.

The previous prime is 91934431. The next prime is 91934467. The reversal of 91934441 is 14443919.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85174441 + 6760000 = 9229^2 + 2600^2 .

It is a cyclic number.

It is not a de Polignac number, because 91934441 - 2⁶ = 91934377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (91934431) 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, 45967220 + 45967221.

It is an arithmetic number, because the mean of its divisors is an integer number (45967221).

Almost surely, 2^91934441 is an apocalyptic number.

It is an amenable number.

91934441 is a deficient number, since it is larger than the sum of its proper divisors (1).

91934441 is an equidigital number, since it uses as much as digits as its factorization.

91934441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 35.

The square root of 91934441 is about 9588.2449384650. The cubic root of 91934441 is about 451.3284873567.

The spelling of 91934441 in words is "ninety-one million, nine hundred thirty-four thousand, four hundred forty-one".