43238438 has 16 divisors (see below), whose sum is σ = 65978880. Its totient is φ = 21248136.

The previous prime is 43238423. The next prime is 43238441. The reversal of 43238438 is 83483234.

It is a junction number, because it is equal to n+sod(n) for n = 43238398 and 43238407.

It is a congruent number.

It is an unprimeable number.

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, 44231 + ... + 45197.

It is an arithmetic number, because the mean of its divisors is an integer number (4123680).

Almost surely, 2^43238438 is an apocalyptic number.

43238438 is a deficient number, since it is larger than the sum of its proper divisors (22740442).

43238438 is a wasteful number, since it uses less digits than its factorization.

43238438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331.

The product of its digits is 55296, while the sum is 35.

The square root of 43238438 is about 6575.5941176444. The cubic root of 43238438 is about 350.9861656926.

The spelling of 43238438 in words is "forty-three million, two hundred thirty-eight thousand, four hundred thirty-eight".