888091 has 2 divisors, whose sum is σ = 888092. Its totient is φ = 888090.

The previous prime is 888077. The next prime is 888103. The reversal of 888091 is 190888.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 888091 - 2⁵ = 888059 is a prime.

It is not a weakly prime, because it can be changed into another prime (888001) 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, 444045 + 444046.

It is an arithmetic number, because the mean of its divisors is an integer number (444046).

2⁸⁸⁸⁰⁹¹ is an apocalyptic number.

888091 is a deficient number, since it is larger than the sum of its proper divisors (1).

888091 is an equidigital number, since it uses as much as digits as its factorization.

888091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 888091 is about 942.3858021002. The cubic root of 888091 is about 96.1211938690.

The spelling of 888091 in words is "eight hundred eighty-eight thousand, ninety-one".