985700685 has 32 divisors (see below), whose sum is σ = 1614896640. Its totient is φ = 513174528.

The previous prime is 985700671. The next prime is 985700693. The reversal of 985700685 is 586007589.

It is not a de Polignac number, because 985700685 - 2⁶ = 985700621 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303651 + ... + 306879.

It is an arithmetic number, because the mean of its divisors is an integer number (50465520).

Almost surely, 2^985700685 is an apocalyptic number.

It is an amenable number.

985700685 is a deficient number, since it is larger than the sum of its proper divisors (629195955).

985700685 is a wasteful number, since it uses less digits than its factorization.

985700685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3717.

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

The square root of 985700685 is about 31395.8705087150. The cubic root of 985700685 is about 995.2106605129.

The spelling of 985700685 in words is "nine hundred eighty-five million, seven hundred thousand, six hundred eighty-five".