2443856 has 20 divisors (see below), whose sum is σ = 4984800. Its totient is φ = 1157472.

The previous prime is 2443849. The next prime is 2443867. The reversal of 2443856 is 6583442.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 2 + 4⁵ + 4⁸ + 3⁴ + 8⁷ + 5³ + 6⁷ .

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, 3716 + ... + 4323.

It is an arithmetic number, because the mean of its divisors is an integer number (249240).

2^2443856 is an apocalyptic number.

It is an amenable number.

2443856 is an abundant number, since it is smaller than the sum of its proper divisors (2540944).

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

2443856 is a wasteful number, since it uses less digits than its factorization.

2443856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8066 (or 8060 counting only the distinct ones).

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

The square root of 2443856 is about 1563.2837234488. The cubic root of 2443856 is about 134.6971905234.

The spelling of 2443856 in words is "two million, four hundred forty-three thousand, eight hundred fifty-six".