2661184 has 28 divisors (see below), whose sum is σ = 5409184. Its totient is φ = 1298304.

The previous prime is 2661181. The next prime is 2661199. The reversal of 2661184 is 4811662.

2661184 = T₆₁ + T₆₂ + ... + T₂₅₂.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2269 + ... + 3235.

2^2661184 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 2661184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2704592).

2661184 is an abundant number, since it is smaller than the sum of its proper divisors (2748000).

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

2661184 is an equidigital number, since it uses as much as digits as its factorization.

2661184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022 (or 1012 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 2661184 is about 1631.3135811364. The cubic root of 2661184 is about 138.5771529451.

The spelling of 2661184 in words is "two million, six hundred sixty-one thousand, one hundred eighty-four".