985916 has 12 divisors (see below), whose sum is σ = 1742832. Its totient is φ = 487968.

The previous prime is 985903. The next prime is 985921. The reversal of 985916 is 619589.

It is a self number, because there is not a number n which added to its sum of digits gives 985916.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 985916.

It is an unprimeable number.

985916 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 3 ways as a sum of consecutive naturals, for example, 785 + ... + 1608.

It is an arithmetic number, because the mean of its divisors is an integer number (145236).

2⁹⁸⁵⁹¹⁶ is an apocalyptic number.

It is an amenable number.

985916 is a deficient number, since it is larger than the sum of its proper divisors (756916).

985916 is a wasteful number, since it uses less digits than its factorization.

985916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500 (or 2498 counting only the distinct ones).

The product of its digits is 19440, while the sum is 38.

The square root of 985916 is about 992.9330289602. The cubic root of 985916 is about 99.5283119352.

The spelling of 985916 in words is "nine hundred eighty-five thousand, nine hundred sixteen".