985305 has 8 divisors (see below), whose sum is σ = 1576512. Its totient is φ = 525488.

The previous prime is 985301. The next prime is 985307. The reversal of 985305 is 503589.

985305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 985305 - 2² = 985301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (985301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32829 + ... + 32858.

It is an arithmetic number, because the mean of its divisors is an integer number (197064).

2⁹⁸⁵³⁰⁵ is an apocalyptic number.

It is an amenable number.

985305 is a deficient number, since it is larger than the sum of its proper divisors (591207).

985305 is a wasteful number, since it uses less digits than its factorization.

985305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65695.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 985305 is about 992.6253069512. The cubic root of 985305 is about 99.5077475176.

The spelling of 985305 in words is "nine hundred eighty-five thousand, three hundred five".