2305830 has 32 divisors (see below), whose sum is σ = 5596128. Its totient is φ = 608000.

The previous prime is 2305781. The next prime is 2305837. The reversal of 2305830 is 385032.

2305830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2305797 and 2305806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2305837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2650 + ... + 3410.

It is an arithmetic number, because the mean of its divisors is an integer number (174879).

2^2305830 is an apocalyptic number.

2305830 is an abundant number, since it is smaller than the sum of its proper divisors (3290298).

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

2305830 is a wasteful number, since it uses less digits than its factorization.

2305830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2305830 is about 1518.4959664089. The cubic root of 2305830 is about 132.1120490285.

The spelling of 2305830 in words is "two million, three hundred five thousand, eight hundred thirty".