6390984 has 16 divisors (see below), whose sum is σ = 15977520. Its totient is φ = 2130320.

The previous prime is 6390983. The next prime is 6391009. The reversal of 6390984 is 4890936.

It is not an unprimeable number, because it can be changed into a prime (6390983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133122 + ... + 133169.

It is an arithmetic number, because the mean of its divisors is an integer number (998595).

Almost surely, 2^6390984 is an apocalyptic number.

It is an amenable number.

6390984 is an abundant number, since it is smaller than the sum of its proper divisors (9586536).

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

6390984 is a wasteful number, since it uses less digits than its factorization.

6390984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266300 (or 266296 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 6390984 is about 2528.0395566525. The cubic root of 6390984 is about 185.5763278618.

The spelling of 6390984 in words is "six million, three hundred ninety thousand, nine hundred eighty-four".