2132664 has 16 divisors (see below), whose sum is σ = 5331720. Its totient is φ = 710880.

The previous prime is 2132659. The next prime is 2132699. The reversal of 2132664 is 4662312.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 88861 = 2132664 / (2 + 1 + 3 + 2 + 6 + 6 + 4).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 44407 + ... + 44454.

2^2132664 is an apocalyptic number.

2132664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2132664 is an abundant number, since it is smaller than the sum of its proper divisors (3199056).

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

2132664 is a wasteful number, since it uses less digits than its factorization.

2132664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88870 (or 88866 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 2132664 is about 1460.3643381020. The cubic root of 2132664 is about 128.7184533261.

Adding to 2132664 its reverse (4662312), we get a palindrome (6794976).

The spelling of 2132664 in words is "two million, one hundred thirty-two thousand, six hundred sixty-four".