2843264 has 32 divisors (see below), whose sum is σ = 5747700. Its totient is φ = 1400832.

The previous prime is 2843263. The next prime is 2843273. The reversal of 2843264 is 4623482.

2843264 = T₁₉₂ + T₁₉₃ + ... + T₂₈₈.

It can be written as a sum of positive squares in 2 ways, for example, as 2689600 + 153664 = 1640^2 + 392^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2843261) 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, 12302 + ... + 12530.

2^2843264 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 2843264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2873850).

2843264 is an abundant number, since it is smaller than the sum of its proper divisors (2904436).

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

2843264 is an equidigital number, since it uses as much as digits as its factorization.

2843264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 328 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 2843264 is about 1686.1980903797. The cubic root of 2843264 is about 141.6682063654.

The spelling of 2843264 in words is "two million, eight hundred forty-three thousand, two hundred sixty-four".