985805670 has 16 divisors (see below), whose sum is σ = 2365933680. Its totient is φ = 262881504.

The previous prime is 985805629. The next prime is 985805699. The reversal of 985805670 is 76508589.

985805670 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16430065 + ... + 16430124.

It is an arithmetic number, because the mean of its divisors is an integer number (147870855).

Almost surely, 2^985805670 is an apocalyptic number.

985805670 is an abundant number, since it is smaller than the sum of its proper divisors (1380128010).

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

985805670 is a wasteful number, since it uses less digits than its factorization.

985805670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32860199.

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 985805670 is about 31397.5424197500. The cubic root of 985805670 is about 995.2459918880.

The spelling of 985805670 in words is "nine hundred eighty-five million, eight hundred five thousand, six hundred seventy".