985709697 has 16 divisors (see below), whose sum is σ = 1550487552. Its totient is φ = 545092560.

The previous prime is 985709687. The next prime is 985709701. The reversal of 985709697 is 796907589.

It is not a de Polignac number, because 985709697 - 2⁶ = 985709633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 985709697.

It is not an unprimeable number, because it can be changed into a prime (985709617) 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 15 ways as a sum of consecutive naturals, for example, 756423 + ... + 757724.

It is an arithmetic number, because the mean of its divisors is an integer number (96905472).

Almost surely, 2^985709697 is an apocalyptic number.

It is an amenable number.

985709697 is a deficient number, since it is larger than the sum of its proper divisors (564777855).

985709697 is a wasteful number, since it uses less digits than its factorization.

985709697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514188.

The product of its (nonzero) digits is 8573040, while the sum is 60.

The square root of 985709697 is about 31396.0140304466. The cubic root of 985709697 is about 995.2136934860.

The spelling of 985709697 in words is "nine hundred eighty-five million, seven hundred nine thousand, six hundred ninety-seven".