6616384 has 28 divisors (see below), whose sum is σ = 13333984. Its totient is φ = 3256704.

The previous prime is 6616381. The next prime is 6616391. The reversal of 6616384 is 4836166.

It is a super-3 number, since 3×6616384³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6616381) 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, 3517 + ... + 5059.

Almost surely, 2^6616384 is an apocalyptic number.

6616384 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6616384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6666992).

6616384 is an abundant number, since it is smaller than the sum of its proper divisors (6717600).

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

6616384 is a wasteful number, since it uses less digits than its factorization.

6616384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622 (or 1612 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 6616384 is about 2572.2332709146. The cubic root of 6616384 is about 187.7328331240.

The spelling of 6616384 in words is "six million, six hundred sixteen thousand, three hundred eighty-four".