6619984 has 20 divisors (see below), whose sum is σ = 14658784. Its totient is φ = 2837088.

The previous prime is 6619981. The next prime is 6620011. The reversal of 6619984 is 4899166.

It is a self number, because there is not a number n which added to its sum of digits gives 6619984.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6619981) 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, 29442 + ... + 29665.

Almost surely, 2^6619984 is an apocalyptic number.

It is an amenable number.

6619984 is an abundant number, since it is smaller than the sum of its proper divisors (8038800).

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

6619984 is a wasteful number, since it uses less digits than its factorization.

6619984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59122 (or 59116 counting only the distinct ones).

The product of its digits is 93312, while the sum is 43.

The square root of 6619984 is about 2572.9329567635. The cubic root of 6619984 is about 187.7668756695.

The spelling of 6619984 in words is "six million, six hundred nineteen thousand, nine hundred eighty-four".