2783172 has 48 divisors (see below), whose sum is σ = 7862400. Its totient is φ = 748032.

The previous prime is 2783167. The next prime is 2783173. The reversal of 2783172 is 2713872.

It is not an unprimeable number, because it can be changed into a prime (2783173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454 + ... + 2402.

It is an arithmetic number, because the mean of its divisors is an integer number (163800).

2^2783172 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 2783172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3931200).

2783172 is an abundant number, since it is smaller than the sum of its proper divisors (5079228).

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

2783172 is a wasteful number, since it uses less digits than its factorization.

2783172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980 (or 1978 counting only the distinct ones).

The product of its digits is 4704, while the sum is 30.

The square root of 2783172 is about 1668.2841484591. The cubic root of 2783172 is about 140.6630453111.

The spelling of 2783172 in words is "two million, seven hundred eighty-three thousand, one hundred seventy-two".