43427338 has 4 divisors (see below), whose sum is σ = 65141010. Its totient is φ = 21713668.

The previous prime is 43427281. The next prime is 43427347. The reversal of 43427338 is 83372434.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41692849 + 1734489 = 6457^2 + 1317^2 .

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 as a sum of consecutive naturals, namely, 10856833 + ... + 10856836.

Almost surely, 2^43427338 is an apocalyptic number.

43427338 is a deficient number, since it is larger than the sum of its proper divisors (21713672).

43427338 is a wasteful number, since it uses less digits than its factorization.

43427338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21713671.

The product of its digits is 48384, while the sum is 34.

The square root of 43427338 is about 6589.9421848754. The cubic root of 43427338 is about 351.4965523695.

It can be divided in two parts, 434 and 27338, that added together give a palindrome (27772).

The spelling of 43427338 in words is "forty-three million, four hundred twenty-seven thousand, three hundred thirty-eight".