2784064 has 28 divisors (see below), whose sum is σ = 5664708. Its totient is φ = 1356800.

The previous prime is 2784059. The next prime is 2784071. The reversal of 2784064 is 4604872.

It can be written as a sum of positive squares in 2 ways, for example, as 846400 + 1937664 = 920^2 + 1392^2 .

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, 2094 + ... + 3154.

It is an arithmetic number, because the mean of its divisors is an integer number (202311).

2^2784064 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 2784064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2832354).

2784064 is an abundant number, since it is smaller than the sum of its proper divisors (2880644).

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

2784064 is a wasteful number, since it uses less digits than its factorization.

2784064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114 (or 1104 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 2784064 is about 1668.5514675910. The cubic root of 2784064 is about 140.6780710963.

The spelling of 2784064 in words is "two million, seven hundred eighty-four thousand, sixty-four".