91895339 has 2 divisors, whose sum is σ = 91895340. Its totient is φ = 91895338.

The previous prime is 91895333. The next prime is 91895417. The reversal of 91895339 is 93359819.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91895339 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 91895293 and 91895302.

It is not a weakly prime, because it can be changed into another prime (91895333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45947669 + 45947670.

It is an arithmetic number, because the mean of its divisors is an integer number (45947670).

Almost surely, 2^91895339 is an apocalyptic number.

91895339 is a deficient number, since it is larger than the sum of its proper divisors (1).

91895339 is an equidigital number, since it uses as much as digits as its factorization.

91895339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 262440, while the sum is 47.

The square root of 91895339 is about 9586.2056623046. The cubic root of 91895339 is about 451.2644912129.

The spelling of 91895339 in words is "ninety-one million, eight hundred ninety-five thousand, three hundred thirty-nine".