2132644 has 12 divisors (see below), whose sum is σ = 3742704. Its totient is φ = 1063304.

The previous prime is 2132639. The next prime is 2132653. The reversal of 2132644 is 4462312.

It is a happy number.

It is a d-powerful number, because it can be written as 2¹⁵ + 1 + 3⁷ + 2²¹ + 6³ + 4³ + 4⁴ .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1779 + ... + 2725.

It is an arithmetic number, because the mean of its divisors is an integer number (311892).

2^2132644 is an apocalyptic number.

It is an amenable number.

2132644 is a deficient number, since it is larger than the sum of its proper divisors (1610060).

2132644 is a wasteful number, since it uses less digits than its factorization.

2132644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514 (or 1512 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 2132644 is about 1460.3574904796. The cubic root of 2132644 is about 128.7180509534.

Adding to 2132644 its reverse (4462312), we get a palindrome (6594956).

The spelling of 2132644 in words is "two million, one hundred thirty-two thousand, six hundred forty-four".