898944287 has 2 divisors, whose sum is σ = 898944288. Its totient is φ = 898944286.

The previous prime is 898944253. The next prime is 898944301. The reversal of 898944287 is 782449898.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 898944287 - 2⁸ = 898944031 is a prime.

It is a super-2 number, since 2×898944287² = 1616201662259876738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (898949287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449472143 + 449472144.

It is an arithmetic number, because the mean of its divisors is an integer number (449472144).

Almost surely, 2^898944287 is an apocalyptic number.

898944287 is a deficient number, since it is larger than the sum of its proper divisors (1).

898944287 is an equidigital number, since it uses as much as digits as its factorization.

898944287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9289728, while the sum is 59.

The square root of 898944287 is about 29982.3996204440. The cubic root of 898944287 is about 965.1117259027. Note that the first 3 decimals are identical.

The spelling of 898944287 in words is "eight hundred ninety-eight million, nine hundred forty-four thousand, two hundred eighty-seven".