2305436 has 24 divisors (see below), whose sum is σ = 4652256. Its totient is φ = 979200.

The previous prime is 2305411. The next prime is 2305463. The reversal of 2305436 is 6345032.

2305436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3536 + ... + 4136.

It is an arithmetic number, because the mean of its divisors is an integer number (193844).

2^2305436 is an apocalyptic number.

It is an amenable number.

2305436 is an abundant number, since it is smaller than the sum of its proper divisors (2346820).

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

2305436 is a wasteful number, since it uses less digits than its factorization.

2305436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749 (or 747 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 2305436 is about 1518.3662272324. The cubic root of 2305436 is about 132.1045238840.

The spelling of 2305436 in words is "two million, three hundred five thousand, four hundred thirty-six".