4243456 has 60 divisors (see below), whose sum is σ = 9961168. Its totient is φ = 1769472.

The previous prime is 4243453. The next prime is 4243469. The reversal of 4243456 is 6543424.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a d-powerful number, because it can be written as 4³ + 2²¹ + 4⁶ + 3¹¹ + 4⁶ + 5⁹ + 6⁵ .

Its product of digits (11520) is a multiple of the sum of its prime factors (72).

It is not an unprimeable number, because it can be changed into a prime (4243453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114670 + ... + 114706.

Almost surely, 2^4243456 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 4243456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4980584).

4243456 is an abundant number, since it is smaller than the sum of its proper divisors (5717712).

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

4243456 is an frugal number, since it uses more digits than its factorization.

4243456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 46 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 4243456 is about 2059.9650482472. The cubic root of 4243456 is about 161.8974100248.

Subtracting 4243456 from its reverse (6543424), we obtain a cube (2299968 = 132³).

The spelling of 4243456 in words is "four million, two hundred forty-three thousand, four hundred fifty-six".