898787 has 2 divisors, whose sum is σ = 898788. Its totient is φ = 898786.

The previous prime is 898769. The next prime is 898813. The reversal of 898787 is 787898.

898787 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 898787 - 2¹⁶ = 833251 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 898787.

It is not a weakly prime, because it can be changed into another prime (898717) 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, 449393 + 449394.

It is an arithmetic number, because the mean of its divisors is an integer number (449394).

2⁸⁹⁸⁷⁸⁷ is an apocalyptic number.

898787 is a deficient number, since it is larger than the sum of its proper divisors (1).

898787 is an equidigital number, since it uses as much as digits as its factorization.

898787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 47.

The square root of 898787 is about 948.0437753606. The cubic root of 898787 is about 96.5055434545.

Subtracting from 898787 its reverse (787898), we obtain a square (110889 = 333²).

The spelling of 898787 in words is "eight hundred ninety-eight thousand, seven hundred eighty-seven".