2146090 has 16 divisors (see below), whose sum is σ = 3880872. Its totient is φ = 854464.

The previous prime is 2146051. The next prime is 2146091. The reversal of 2146090 is 906412.

2146090 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 4 ways, for example, as 1846881 + 299209 = 1359^2 + 547^2 .

It is not an unprimeable number, because it can be changed into a prime (2146091) by changing a digit.

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, 2832 + ... + 3508.

2^2146090 is an apocalyptic number.

2146090 is a deficient number, since it is larger than the sum of its proper divisors (1734782).

2146090 is a wasteful number, since it uses less digits than its factorization.

2146090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2146090 is about 1464.9539241901. The cubic root of 2146090 is about 128.9880004062.

The spelling of 2146090 in words is "two million, one hundred forty-six thousand, ninety".