985919 has 8 divisors (see below), whose sum is σ = 1099008. Its totient is φ = 876760.

The previous prime is 985903. The next prime is 985921. The reversal of 985919 is 919589.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 985919 - 2⁴ = 985903 is a prime.

It is a super-2 number, since 2×985919² = 1944072549122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985969) 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 in 7 ways as a sum of consecutive naturals, for example, 437 + ... + 1470.

It is an arithmetic number, because the mean of its divisors is an integer number (137376).

2⁹⁸⁵⁹¹⁹ is an apocalyptic number.

985919 is a deficient number, since it is larger than the sum of its proper divisors (113089).

985919 is a wasteful number, since it uses less digits than its factorization.

985919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965.

The product of its digits is 29160, while the sum is 41.

The square root of 985919 is about 992.9345396349. The cubic root of 985919 is about 99.5284128852.

The spelling of 985919 in words is "nine hundred eighty-five thousand, nine hundred nineteen".