884491 has 2 divisors, whose sum is σ = 884492. Its totient is φ = 884490.

The previous prime is 884489. The next prime is 884497. The reversal of 884491 is 194488.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 884491 - 2¹ = 884489 is a prime.

Together with 884489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (884497) 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, 442245 + 442246.

It is an arithmetic number, because the mean of its divisors is an integer number (442246).

2⁸⁸⁴⁴⁹¹ is an apocalyptic number.

884491 is a deficient number, since it is larger than the sum of its proper divisors (1).

884491 is an equidigital number, since it uses as much as digits as its factorization.

884491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 34.

The square root of 884491 is about 940.4738167541. The cubic root of 884491 is about 95.9911377814.

The spelling of 884491 in words is "eight hundred eighty-four thousand, four hundred ninety-one".