43238913 has 8 divisors (see below), whose sum is σ = 59640000. Its totient is φ = 27831888.

The previous prime is 43238891. The next prime is 43238941. The reversal of 43238913 is 31983234.

It is a happy number.

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

It is not a de Polignac number, because 43238913 - 2⁹ = 43238401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43238953) 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, 248413 + ... + 248586.

It is an arithmetic number, because the mean of its divisors is an integer number (7455000).

Almost surely, 2^43238913 is an apocalyptic number.

It is an amenable number.

43238913 is a deficient number, since it is larger than the sum of its proper divisors (16401087).

43238913 is a wasteful number, since it uses less digits than its factorization.

43238913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497031.

The product of its digits is 15552, while the sum is 33.

The square root of 43238913 is about 6575.6302359546. The cubic root of 43238913 is about 350.9874509519.

The spelling of 43238913 in words is "forty-three million, two hundred thirty-eight thousand, nine hundred thirteen".