9070891 has 2 divisors, whose sum is σ = 9070892. Its totient is φ = 9070890.

The previous prime is 9070861. The next prime is 9070913. The reversal of 9070891 is 1980709.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9070891 - 2¹³ = 9062699 is a prime.

It is not a weakly prime, because it can be changed into another prime (9070861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4535445 + 4535446.

It is an arithmetic number, because the mean of its divisors is an integer number (4535446).

Almost surely, 2^9070891 is an apocalyptic number.

9070891 is a deficient number, since it is larger than the sum of its proper divisors (1).

9070891 is an equidigital number, since it uses as much as digits as its factorization.

9070891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 9070891 is about 3011.7919914895. The cubic root of 9070891 is about 208.5530998602.

The spelling of 9070891 in words is "nine million, seventy thousand, eight hundred ninety-one".