2308928 has 28 divisors (see below), whose sum is σ = 4693920. Its totient is φ = 1126272.

The previous prime is 2308919. The next prime is 2308931. The reversal of 2308928 is 8298032.

It is a happy number.

2308928 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2308928² = 10662297018368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 2308894 and 2308903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2333 + ... + 3171.

It is an arithmetic number, because the mean of its divisors is an integer number (167640).

2^2308928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2308928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2346960).

2308928 is an abundant number, since it is smaller than the sum of its proper divisors (2384992).

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

2308928 is an equidigital number, since it uses as much as digits as its factorization.

2308928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894 (or 884 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 2308928 is about 1519.5157123242. The cubic root of 2308928 is about 132.1711889719.

The spelling of 2308928 in words is "two million, three hundred eight thousand, nine hundred twenty-eight".