9984655 has 8 divisors (see below), whose sum is σ = 12021984. Its totient is φ = 7960800.

The previous prime is 9984649. The next prime is 9984673. The reversal of 9984655 is 5564899.

9984655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9984655 - 2³ = 9984647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1656 + ... + 4765.

It is an arithmetic number, because the mean of its divisors is an integer number (1502748).

Almost surely, 2^9984655 is an apocalyptic number.

9984655 is a deficient number, since it is larger than the sum of its proper divisors (2037329).

9984655 is a wasteful number, since it uses less digits than its factorization.

9984655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737.

The product of its digits is 388800, while the sum is 46.

The square root of 9984655 is about 3159.8504711457. The cubic root of 9984655 is about 215.3332132537. Note that the first 3 decimals are identical.

The spelling of 9984655 in words is "nine million, nine hundred eighty-four thousand, six hundred fifty-five".