2309328 has 120 divisors (see below), whose sum is σ = 7737600. Its totient is φ = 628992.

The previous prime is 2309327. The next prime is 2309339. The reversal of 2309328 is 8239032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2309323) 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, 29193 + ... + 29271.

It is an arithmetic number, because the mean of its divisors is an integer number (64480).

2^2309328 is an apocalyptic number.

2309328 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 2309328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3868800).

2309328 is an abundant number, since it is smaller than the sum of its proper divisors (5428272).

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

2309328 is a wasteful number, since it uses less digits than its factorization.

2309328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 2309328 is about 1519.6473275073. The cubic root of 2309328 is about 132.1788210019.

The spelling of 2309328 in words is "two million, three hundred nine thousand, three hundred twenty-eight".