2128360 has 32 divisors (see below), whose sum is σ = 5158440. Its totient is φ = 785664.

The previous prime is 2128333. The next prime is 2128381. The reversal of 2128360 is 638212.

It can be written as a sum of positive squares in 4 ways, for example, as 1240996 + 887364 = 1114^2 + 942^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1527 + ... + 2566.

2^2128360 is an apocalyptic number.

2128360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2128360 is an abundant number, since it is smaller than the sum of its proper divisors (3030080).

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

2128360 is a wasteful number, since it uses less digits than its factorization.

2128360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4117 (or 4113 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2128360 is about 1458.8899889985. The cubic root of 2128360 is about 128.6318046828.

The spelling of 2128360 in words is "two million, one hundred twenty-eight thousand, three hundred sixty".