985506 has 8 divisors (see below), whose sum is σ = 1971024. Its totient is φ = 328500.

The previous prime is 985499. The next prime is 985519. The reversal of 985506 is 605589.

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

985506 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82120 + ... + 82131.

It is an arithmetic number, because the mean of its divisors is an integer number (246378).

2⁹⁸⁵⁵⁰⁶ is an apocalyptic number.

985506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

985506 is a wasteful number, since it uses less digits than its factorization.

985506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164256.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 985506 is about 992.7265484513. The cubic root of 985506 is about 99.5145135096.

The spelling of 985506 in words is "nine hundred eighty-five thousand, five hundred six".