985487 has 2 divisors, whose sum is σ = 985488. Its totient is φ = 985486.

The previous prime is 985483. The next prime is 985493. The reversal of 985487 is 784589.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 985487 - 2² = 985483 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (985483) 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, 492743 + 492744.

It is an arithmetic number, because the mean of its divisors is an integer number (492744).

2⁹⁸⁵⁴⁸⁷ is an apocalyptic number.

985487 is a deficient number, since it is larger than the sum of its proper divisors (1).

985487 is an equidigital number, since it uses as much as digits as its factorization.

985487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 41.

The square root of 985487 is about 992.7169788011. The cubic root of 985487 is about 99.5138739776.

The spelling of 985487 in words is "nine hundred eighty-five thousand, four hundred eighty-seven".