43403442 has 16 divisors (see below), whose sum is σ = 89153472. Its totient is φ = 14076720.

The previous prime is 43403411. The next prime is 43403443. The reversal of 43403442 is 24430434.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (43403443) 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 7 ways as a sum of consecutive naturals, for example, 97534 + ... + 97977.

It is an arithmetic number, because the mean of its divisors is an integer number (5572092).

Almost surely, 2^43403442 is an apocalyptic number.

43403442 is an abundant number, since it is smaller than the sum of its proper divisors (45750030).

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

43403442 is a wasteful number, since it uses less digits than its factorization.

43403442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195553.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 43403442 is about 6588.1288694135. The cubic root of 43403442 is about 351.4320699254.

Adding to 43403442 its reverse (24430434), we get a palindrome (67833876).

The spelling of 43403442 in words is "forty-three million, four hundred three thousand, four hundred forty-two".