2783264 has 24 divisors (see below), whose sum is σ = 5978448. Its totient is φ = 1264960.

The previous prime is 2783243. The next prime is 2783267. The reversal of 2783264 is 4623872.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 2783264.

It is not an unprimeable number, because it can be changed into a prime (2783267) 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, 3602 + ... + 4305.

It is an arithmetic number, because the mean of its divisors is an integer number (249102).

2^2783264 is an apocalyptic number.

It is an amenable number.

2783264 is an abundant number, since it is smaller than the sum of its proper divisors (3195184).

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

2783264 is a wasteful number, since it uses less digits than its factorization.

2783264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7928 (or 7920 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 2783264 is about 1668.3117214717. The cubic root of 2783264 is about 140.6645952042.

The spelling of 2783264 in words is "two million, seven hundred eighty-three thousand, two hundred sixty-four".