984970657 has 16 divisors (see below), whose sum is σ = 1123246080. Its totient is φ = 855550800.

The previous prime is 984970643. The next prime is 984970733. The reversal of 984970657 is 756079489.

It is a cyclic number.

It is not a de Polignac number, because 984970657 - 2¹⁹ = 984446369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 984970598 and 984970607.

It is not an unprimeable number, because it can be changed into a prime (984970627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8658 + ... + 45220.

It is an arithmetic number, because the mean of its divisors is an integer number (70202880).

Almost surely, 2^984970657 is an apocalyptic number.

It is an amenable number.

984970657 is a deficient number, since it is larger than the sum of its proper divisors (138275423).

984970657 is a wasteful number, since it uses less digits than its factorization.

984970657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36684.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The square root of 984970657 is about 31384.2421766083. The cubic root of 984970657 is about 994.9649094129.

The spelling of 984970657 in words is "nine hundred eighty-four million, nine hundred seventy thousand, six hundred fifty-seven".