2184728 has 32 divisors (see below), whose sum is σ = 5043360. Its totient is φ = 864000.

The previous prime is 2184727. The next prime is 2184761. The reversal of 2184728 is 8274812.

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

It is a junction number, because it is equal to n+sod(n) for n = 2184694 and 2184703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2184727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773 + ... + 2228.

It is an arithmetic number, because the mean of its divisors is an integer number (157605).

2^2184728 is an apocalyptic number.

2184728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2184728 is an abundant number, since it is smaller than the sum of its proper divisors (2858632).

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

2184728 is a wasteful number, since it uses less digits than its factorization.

2184728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027 (or 3023 counting only the distinct ones).

The product of its digits is 7168, while the sum is 32.

The square root of 2184728 is about 1478.0825416735. The cubic root of 2184728 is about 129.7574966309.

The spelling of 2184728 in words is "two million, one hundred eighty-four thousand, seven hundred twenty-eight".