91426339 has 2 divisors, whose sum is σ = 91426340. Its totient is φ = 91426338.

The previous prime is 91426337. The next prime is 91426367. The reversal of 91426339 is 93362419.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91426339 - 2¹ = 91426337 is a prime.

Together with 91426337, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 91426298 and 91426307.

It is not a weakly prime, because it can be changed into another prime (91426331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45713169 + 45713170.

It is an arithmetic number, because the mean of its divisors is an integer number (45713170).

Almost surely, 2^91426339 is an apocalyptic number.

91426339 is a deficient number, since it is larger than the sum of its proper divisors (1).

91426339 is an equidigital number, since it uses as much as digits as its factorization.

91426339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 37.

The square root of 91426339 is about 9561.7121374783. The cubic root of 91426339 is about 450.4954855068.

The spelling of 91426339 in words is "ninety-one million, four hundred twenty-six thousand, three hundred thirty-nine".