2321928 has 96 divisors (see below), whose sum is σ = 7637760. Its totient is φ = 622080.

The previous prime is 2321923. The next prime is 2321947. The reversal of 2321928 is 8291232.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321923) 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, 8433 + ... + 8703.

It is an arithmetic number, because the mean of its divisors is an integer number (79560).

2^2321928 is an apocalyptic number.

2321928 is a gapful number since it is divisible by the number (28) 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 2321928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3818880).

2321928 is an abundant number, since it is smaller than the sum of its proper divisors (5315832).

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

2321928 is a wasteful number, since it uses less digits than its factorization.

2321928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 300 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 2321928 is about 1523.7873867440. The cubic root of 2321928 is about 132.4187801754.

It can be divided in two parts, 2321 and 928, that added together give a square (3249 = 57²).

The spelling of 2321928 in words is "two million, three hundred twenty-one thousand, nine hundred twenty-eight".