6396984 has 96 divisors (see below), whose sum is σ = 19459440. Its totient is φ = 1881600.

The previous prime is 6396983. The next prime is 6396989. The reversal of 6396984 is 4896936.

6396984 is a `hidden beast` number, since 639 + 6 + 9 + 8 + 4 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6396983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32374 + ... + 32570.

Almost surely, 2^6396984 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 6396984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9729720).

6396984 is an abundant number, since it is smaller than the sum of its proper divisors (13062456).

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

6396984 is a wasteful number, since it uses less digits than its factorization.

6396984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 254 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 6396984 is about 2529.2259685524. The cubic root of 6396984 is about 185.6343841122.

The spelling of 6396984 in words is "six million, three hundred ninety-six thousand, nine hundred eighty-four".