2783232 has 72 divisors (see below), whose sum is σ = 8091720. Its totient is φ = 921600.

The previous prime is 2783227. The next prime is 2783243. The reversal of 2783232 is 2323872.

It is a tau number, because it is divible by the number of its divisors (72).

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2783196 and 2783205.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 18357 + ... + 18507.

It is an arithmetic number, because the mean of its divisors is an integer number (112385).

2^2783232 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 2783232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4045860).

2783232 is an abundant number, since it is smaller than the sum of its proper divisors (5308488).

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

2783232 is a wasteful number, since it uses less digits than its factorization.

2783232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 156 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 2783232 is about 1668.3021309103. The cubic root of 2783232 is about 140.6640561148.

The spelling of 2783232 in words is "two million, seven hundred eighty-three thousand, two hundred thirty-two".