2132660 has 24 divisors (see below), whose sum is σ = 4634280. Its totient is φ = 823424.

The previous prime is 2132659. The next prime is 2132699. The reversal of 2132660 is 662312.

It can be written as a sum of positive squares in 4 ways, for example, as 478864 + 1653796 = 692^2 + 1286^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

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, 1259 + ... + 2418.

It is an arithmetic number, because the mean of its divisors is an integer number (193095).

2^2132660 is an apocalyptic number.

2132660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2132660 is an abundant number, since it is smaller than the sum of its proper divisors (2501620).

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

2132660 is a wasteful number, since it uses less digits than its factorization.

2132660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715 (or 3713 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2132660 is about 1460.3629685801. The cubic root of 2132660 is about 128.7183728517.

Adding to 2132660 its reverse (662312), we get a palindrome (2794972).

It can be divided in two parts, 213 and 2660, that multiplied together give a triangular number (566580 = T₁₀₆₄).

The spelling of 2132660 in words is "two million, one hundred thirty-two thousand, six hundred sixty".