2843456 has 56 divisors (see below), whose sum is σ = 7046976. Its totient is φ = 1105920.

The previous prime is 2843429. The next prime is 2843501. The reversal of 2843456 is 6543482.

It is a tau number, because it is divible by the number of its divisors (56).

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

It is a d-powerful number, because it can be written as 2⁵ + 8⁵ + 4⁶ + 3⁵ + 4¹⁰ + 5⁷ + 6⁸ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4640 + ... + 5216.

2^2843456 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 2843456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3523488).

2843456 is an abundant number, since it is smaller than the sum of its proper divisors (4203520).

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

2843456 is a wasteful number, since it uses less digits than its factorization.

2843456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607 (or 597 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 2843456 is about 1686.2550222312. The cubic root of 2843456 is about 141.6713951517.

The spelling of 2843456 in words is "two million, eight hundred forty-three thousand, four hundred fifty-six".