43424244 has 18 divisors (see below), whose sum is σ = 109766930. Its totient is φ = 14474736.

The previous prime is 43424237. The next prime is 43424261. The reversal of 43424244 is 44242434.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 43401744 + 22500 = 6588^2 + 150^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 603079 + ... + 603150.

Almost surely, 2^43424244 is an apocalyptic number.

It is an amenable number.

43424244 is an abundant number, since it is smaller than the sum of its proper divisors (66342686).

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

43424244 is a wasteful number, since it uses less digits than its factorization.

43424244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206239 (or 1206234 counting only the distinct ones).

The product of its digits is 12288, while the sum is 27.

The square root of 43424244 is about 6589.7074290138. The cubic root of 43424244 is about 351.4882046618.

Adding to 43424244 its reverse (44242434), we get a palindrome (87666678).

The spelling of 43424244 in words is "forty-three million, four hundred twenty-four thousand, two hundred forty-four".