43308442 has 8 divisors (see below), whose sum is σ = 64999476. Its totient is φ = 21641952.

The previous prime is 43308437. The next prime is 43308443. The reversal of 43308442 is 24480334.

43308442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42653961 + 654481 = 6531^2 + 809^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×43308442² = 3751242296934728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43308442.

It is not an unprimeable number, because it can be changed into a prime (43308443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 793 + ... + 9340.

Almost surely, 2^43308442 is an apocalyptic number.

43308442 is a deficient number, since it is larger than the sum of its proper divisors (21691034).

43308442 is a wasteful number, since it uses less digits than its factorization.

43308442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12272.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 43308442 is about 6580.9149819763. The cubic root of 43308442 is about 351.1754817160.

Adding to 43308442 its reverse (24480334), we get a palindrome (67788776).

The spelling of 43308442 in words is "forty-three million, three hundred eight thousand, four hundred forty-two".