43428242 has 16 divisors (see below), whose sum is σ = 76531392. Its totient is φ = 18221520.

The previous prime is 43428233. The next prime is 43428257. The reversal of 43428242 is 24282434.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75638 + ... + 76209.

It is an arithmetic number, because the mean of its divisors is an integer number (4783212).

Almost surely, 2^43428242 is an apocalyptic number.

43428242 is a deficient number, since it is larger than the sum of its proper divisors (33103150).

43428242 is a wasteful number, since it uses less digits than its factorization.

43428242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151873.

The product of its digits is 12288, while the sum is 29.

The square root of 43428242 is about 6590.0107738910. The cubic root of 43428242 is about 351.4989913145.

The spelling of 43428242 in words is "forty-three million, four hundred twenty-eight thousand, two hundred forty-two".