2684128 has 24 divisors (see below), whose sum is σ = 5429592. Its totient is φ = 1305216.

The previous prime is 2684093. The next prime is 2684141. The reversal of 2684128 is 8214862.

It is a self number, because there is not a number n which added to its sum of digits gives 2684128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51 + ... + 2317.

It is an arithmetic number, because the mean of its divisors is an integer number (226233).

2^2684128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2684128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2714796).

2684128 is an abundant number, since it is smaller than the sum of its proper divisors (2745464).

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

2684128 is a wasteful number, since it uses less digits than its factorization.

2684128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314 (or 2306 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

The square root of 2684128 is about 1638.3308579161. The cubic root of 2684128 is about 138.9742719319.

The spelling of 2684128 in words is "two million, six hundred eighty-four thousand, one hundred twenty-eight".