43424438 has 8 divisors (see below), whose sum is σ = 65921688. Its totient is φ = 21450544.

The previous prime is 43424417. The next prime is 43424441. The reversal of 43424438 is 83442434.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130631 + ... + 130962.

It is an arithmetic number, because the mean of its divisors is an integer number (8240211).

Almost surely, 2^43424438 is an apocalyptic number.

43424438 is a deficient number, since it is larger than the sum of its proper divisors (22497250).

43424438 is a wasteful number, since it uses less digits than its factorization.

43424438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261678.

The product of its digits is 36864, while the sum is 32.

The square root of 43424438 is about 6589.7221489225. The cubic root of 43424438 is about 351.4887280915.

The spelling of 43424438 in words is "forty-three million, four hundred twenty-four thousand, four hundred thirty-eight".