2149305 has 8 divisors (see below), whose sum is σ = 3438912. Its totient is φ = 1146288.

The previous prime is 2149289. The next prime is 2149331. The reversal of 2149305 is 5039412.

2149305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2149305 - 2⁴ = 2149289 is a prime.

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, 71629 + ... + 71658.

It is an arithmetic number, because the mean of its divisors is an integer number (429864).

2^2149305 is an apocalyptic number.

It is an amenable number.

2149305 is a deficient number, since it is larger than the sum of its proper divisors (1289607).

2149305 is a wasteful number, since it uses less digits than its factorization.

2149305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143295.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 2149305 is about 1466.0508176731. The cubic root of 2149305 is about 129.0523794259.

The spelling of 2149305 in words is "two million, one hundred forty-nine thousand, three hundred five".