2128576 has 28 divisors (see below), whose sum is σ = 4287520. Its totient is φ = 1048320.

The previous prime is 2128561. The next prime is 2128591. The reversal of 2128576 is 6758212.

It is an interprime number because it is at equal distance from previous prime (2128561) and next prime (2128591).

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, 4846 + ... + 5266.

2^2128576 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 2128576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2143760).

2128576 is an abundant number, since it is smaller than the sum of its proper divisors (2158944).

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

2128576 is an equidigital number, since it uses as much as digits as its factorization.

2128576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 502 counting only the distinct ones).

The product of its digits is 6720, while the sum is 31.

The square root of 2128576 is about 1458.9640160059. The cubic root of 2128576 is about 128.6361560034.

It can be divided in two parts, 2128 and 576, that added together give a square (2704 = 52²).

The spelling of 2128576 in words is "two million, one hundred twenty-eight thousand, five hundred seventy-six".