984970656 has 144 divisors (see below), whose sum is σ = 2878051176. Its totient is φ = 319408128.

The previous prime is 984970643. The next prime is 984970733. The reversal of 984970656 is 656079489.

984970656 is a `hidden beast` number, since 98 + 497 + 0 + 65 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 984704400 + 266256 = 31380^2 + 516^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2640486 + ... + 2640858.

Almost surely, 2^984970656 is an apocalyptic number.

984970656 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 984970656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1439025588).

984970656 is an abundant number, since it is smaller than the sum of its proper divisors (1893080520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

984970656 is a wasteful number, since it uses less digits than its factorization.

984970656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 984970656 is about 31384.2421606767. The cubic root of 984970656 is about 994.9649090762.

The spelling of 984970656 in words is "nine hundred eighty-four million, nine hundred seventy thousand, six hundred fifty-six".