2305490 has 16 divisors (see below), whose sum is σ = 4527360. Its totient is φ = 838320.

The previous prime is 2305487. The next prime is 2305549. The reversal of 2305490 is 945032.

2305490 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 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, 10370 + ... + 10589.

It is an arithmetic number, because the mean of its divisors is an integer number (282960).

2^2305490 is an apocalyptic number.

2305490 is a deficient number, since it is larger than the sum of its proper divisors (2221870).

2305490 is a wasteful number, since it uses less digits than its factorization.

2305490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20977.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2305490 is about 1518.3840093995. The cubic root of 2305490 is about 132.1055552996.

The spelling of 2305490 in words is "two million, three hundred five thousand, four hundred ninety".