43243264 has 36 divisors (see below), whose sum is σ = 89118400. Its totient is φ = 20920320.

The previous prime is 43243261. The next prime is 43243267. The reversal of 43243264 is 46234234.

It is an interprime number because it is at equal distance from previous prime (43243261) and next prime (43243267).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43243261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5212 + ... + 10660.

Almost surely, 2^43243264 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 43243264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44559200).

43243264 is an abundant number, since it is smaller than the sum of its proper divisors (45875136).

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

43243264 is an equidigital number, since it uses as much as digits as its factorization.

43243264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5496 (or 5482 counting only the distinct ones).

The product of its digits is 13824, while the sum is 28.

The square root of 43243264 is about 6575.9610704444. The cubic root of 43243264 is about 350.9992234894. Note that the first 3 decimals are identical.

Adding to 43243264 its reverse (46234234), we get a palindrome (89477498).

The spelling of 43243264 in words is "forty-three million, two hundred forty-three thousand, two hundred sixty-four".