2109284 has 24 divisors (see below), whose sum is σ = 3907008. Its totient is φ = 994400.

The previous prime is 2109277. The next prime is 2109287. The reversal of 2109284 is 4829012.

It is not an unprimeable number, because it can be changed into a prime (2109287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9179 + ... + 9405.

It is an arithmetic number, because the mean of its divisors is an integer number (162792).

2^2109284 is an apocalyptic number.

It is an amenable number.

2109284 is a deficient number, since it is larger than the sum of its proper divisors (1797724).

2109284 is a wasteful number, since it uses less digits than its factorization.

2109284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2109284 is about 1452.3374263579. The cubic root of 2109284 is about 128.2463517335.

The spelling of 2109284 in words is "two million, one hundred nine thousand, two hundred eighty-four".