2305872 has 60 divisors (see below), whose sum is σ = 6576960. Its totient is φ = 753984.

The previous prime is 2305837. The next prime is 2305883. The reversal of 2305872 is 2785032.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9529 + ... + 9767.

It is an arithmetic number, because the mean of its divisors is an integer number (109616).

2^2305872 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 2305872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3288480).

2305872 is an abundant number, since it is smaller than the sum of its proper divisors (4271088).

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

2305872 is a wasteful number, since it uses less digits than its factorization.

2305872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 2305872 is about 1518.5097958196. The cubic root of 2305872 is about 132.1128511507.

The spelling of 2305872 in words is "two million, three hundred five thousand, eight hundred seventy-two".