985847690 has 8 divisors (see below), whose sum is σ = 1774525860. Its totient is φ = 394339072.

The previous prime is 985847651. The next prime is 985847717. The reversal of 985847690 is 96748589.

It can be written as a sum of positive squares in 2 ways, for example, as 985143769 + 703921 = 31387^2 + 839^2 .

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

It is a super-2 number, since 2×985847690² = 1943791335756672200, which contains 22 as substring.

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, 49292375 + ... + 49292394.

Almost surely, 2^985847690 is an apocalyptic number.

985847690 is a deficient number, since it is larger than the sum of its proper divisors (788678170).

985847690 is a wasteful number, since it uses less digits than its factorization.

985847690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98584776.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The square root of 985847690 is about 31398.2115732728. The cubic root of 985847690 is about 995.2601324851.

The spelling of 985847690 in words is "nine hundred eighty-five million, eight hundred forty-seven thousand, six hundred ninety".