2128284 has 18 divisors (see below), whose sum is σ = 5379920. Its totient is φ = 709416.

The previous prime is 2128283. The next prime is 2128303. The reversal of 2128284 is 4828212.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2128283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29524 + ... + 29595.

2^2128284 is an apocalyptic number.

It is an amenable number.

2128284 is an abundant number, since it is smaller than the sum of its proper divisors (3251636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2128284 is a wasteful number, since it uses less digits than its factorization.

2128284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59129 (or 59124 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 2128284 is about 1458.8639415655. The cubic root of 2128284 is about 128.6302735926.

The spelling of 2128284 in words is "two million, one hundred twenty-eight thousand, two hundred eighty-four".