887291 has 2 divisors, whose sum is σ = 887292. Its totient is φ = 887290.

The previous prime is 887269. The next prime is 887311. The reversal of 887291 is 192788.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 887291 - 2¹⁴ = 870907 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (887261) 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, 443645 + 443646.

It is an arithmetic number, because the mean of its divisors is an integer number (443646).

2⁸⁸⁷²⁹¹ is an apocalyptic number.

887291 is a deficient number, since it is larger than the sum of its proper divisors (1).

887291 is an equidigital number, since it uses as much as digits as its factorization.

887291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 35.

The square root of 887291 is about 941.9612518570. The cubic root of 887291 is about 96.0923229325.

The spelling of 887291 in words is "eight hundred eighty-seven thousand, two hundred ninety-one".