984796985 has 4 divisors (see below), whose sum is σ = 1181756388. Its totient is φ = 787837584.

The previous prime is 984796979. The next prime is 984797017. The reversal of 984796985 is 589697489.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 589697489 = 101 ⋅5838589.

It can be written as a sum of positive squares in 2 ways, for example, as 783384121 + 201412864 = 27989^2 + 14192^2 .

It is a cyclic number.

It is not a de Polignac number, because 984796985 - 2¹² = 984792889 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 98479694 + ... + 98479703.

It is an arithmetic number, because the mean of its divisors is an integer number (295439097).

Almost surely, 2^984796985 is an apocalyptic number.

It is an amenable number.

984796985 is a deficient number, since it is larger than the sum of its proper divisors (196959403).

984796985 is a wasteful number, since it uses less digits than its factorization.

984796985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196959402.

The product of its digits is 39191040, while the sum is 65.

The square root of 984796985 is about 31381.4751883974. The cubic root of 984796985 is about 994.9064279067.

The spelling of 984796985 in words is "nine hundred eighty-four million, seven hundred ninety-six thousand, nine hundred eighty-five".