43434442 has 16 divisors (see below), whose sum is σ = 68483520. Its totient is φ = 20620512.

The previous prime is 43434427. The next prime is 43434449. The reversal of 43434442 is 24443434.

It is a super-3 number, since 3×43434442³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43434442.

It is not an unprimeable number, because it can be changed into a prime (43434449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2998 + ... + 9790.

It is an arithmetic number, because the mean of its divisors is an integer number (4280220).

Almost surely, 2^43434442 is an apocalyptic number.

43434442 is a deficient number, since it is larger than the sum of its proper divisors (25049078).

43434442 is a wasteful number, since it uses less digits than its factorization.

43434442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6957.

The product of its digits is 18432, while the sum is 28.

The square root of 43434442 is about 6590.4811660455. The cubic root of 43434442 is about 351.5157176808.

Adding to 43434442 its reverse (24443434), we get a palindrome (67877876).

The spelling of 43434442 in words is "forty-three million, four hundred thirty-four thousand, four hundred forty-two".