6720984 has 96 divisors (see below), whose sum is σ = 20358000. Its totient is φ = 1997568.

The previous prime is 6720947. The next prime is 6721009. The reversal of 6720984 is 4890276.

6720984 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 353727 + ... + 353745.

Almost surely, 2^6720984 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 6720984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10179000).

6720984 is an abundant number, since it is smaller than the sum of its proper divisors (13637016).

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

6720984 is a wasteful number, since it uses less digits than its factorization.

6720984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 6720984 is about 2592.4860655363. The cubic root of 6720984 is about 188.7169694990.

The spelling of 6720984 in words is "six million, seven hundred twenty thousand, nine hundred eighty-four".