9984015 has 48 divisors (see below), whose sum is σ = 18959616. Its totient is φ = 4838400.

The previous prime is 9984011. The next prime is 9984031. The reversal of 9984015 is 5104899.

It is not a de Polignac number, because 9984015 - 2² = 9984011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9984011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23505 + ... + 23925.

It is an arithmetic number, because the mean of its divisors is an integer number (394992).

Almost surely, 2^9984015 is an apocalyptic number.

9984015 is a deficient number, since it is larger than the sum of its proper divisors (8975601).

9984015 is a wasteful number, since it uses less digits than its factorization.

9984015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 9984015 is about 3159.7491989080. The cubic root of 9984015 is about 215.3286123202.

The spelling of 9984015 in words is "nine million, nine hundred eighty-four thousand, fifteen".