2163528 has 48 divisors (see below), whose sum is σ = 5928000. Its totient is φ = 712800.

The previous prime is 2163527. The next prime is 2163547. The reversal of 2163528 is 8253612.

2163528 is a `hidden beast` number, since 2 + 1 + 635 + 28 = 666.

It is not an unprimeable number, because it can be changed into a prime (2163527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10773 + ... + 10971.

It is an arithmetic number, because the mean of its divisors is an integer number (123500).

2^2163528 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 2163528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2964000).

2163528 is an abundant number, since it is smaller than the sum of its proper divisors (3764472).

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

2163528 is a wasteful number, since it uses less digits than its factorization.

2163528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 355 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2163528 is about 1470.8936059416. The cubic root of 2163528 is about 129.3364213195.

The spelling of 2163528 in words is "two million, one hundred sixty-three thousand, five hundred twenty-eight".