2149306 has 8 divisors (see below), whose sum is σ = 3335220. Its totient is φ = 1037568.

The previous prime is 2149289. The next prime is 2149331. The reversal of 2149306 is 6039412.

2149306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1985281 + 164025 = 1409^2 + 405^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 18471 + ... + 18586.

2^2149306 is an apocalyptic number.

2149306 is a deficient number, since it is larger than the sum of its proper divisors (1185914).

2149306 is a wasteful number, since it uses less digits than its factorization.

2149306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37088.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2149306 is about 1466.0511587254. The cubic root of 2149306 is about 129.0523994405.

The spelling of 2149306 in words is "two million, one hundred forty-nine thousand, three hundred six".