9673898640 has 320 divisors, whose sum is σ = 37056675840. Its totient is φ = 2037934080.

The previous prime is 9673898639. The next prime is 9673898681. The reversal of 9673898640 is 468983769.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1176945 + ... + 1185135.

It is an arithmetic number, because the mean of its divisors is an integer number (115802112).

Almost surely, 2^9673898640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9673898640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18528337920).

9673898640 is an abundant number, since it is smaller than the sum of its proper divisors (27382777200).

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

9673898640 is a wasteful number, since it uses less digits than its factorization.

9673898640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8270 (or 8264 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The square root of 9673898640 is about 98355.9791776789. The cubic root of 9673898640 is about 2130.7566092532.

The spelling of 9673898640 in words is "nine billion, six hundred seventy-three million, eight hundred ninety-eight thousand, six hundred forty".