9845984620 has 12 divisors (see below), whose sum is σ = 20676567744. Its totient is φ = 3938393840.

The previous prime is 9845984609. The next prime is 9845984627. The reversal of 9845984620 is 264895489.

It is not an unprimeable number, because it can be changed into a prime (9845984627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246149596 + ... + 246149635.

It is an arithmetic number, because the mean of its divisors is an integer number (1723047312).

Almost surely, 2^9845984620 is an apocalyptic number.

It is an amenable number.

9845984620 is an abundant number, since it is smaller than the sum of its proper divisors (10830583124).

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

9845984620 is a wasteful number, since it uses less digits than its factorization.

9845984620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492299240 (or 492299238 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 55.

The square root of 9845984620 is about 99226.9349521590. The cubic root of 9845984620 is about 2143.3168801231.

The spelling of 9845984620 in words is "nine billion, eight hundred forty-five million, nine hundred eighty-four thousand, six hundred twenty".