43852138 has 16 divisors (see below), whose sum is σ = 72013536. Its totient is φ = 19861840.

The previous prime is 43852091. The next prime is 43852139. The reversal of 43852138 is 83125834.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (43852139) 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, 3045 + ... + 9847.

It is an arithmetic number, because the mean of its divisors is an integer number (4500846).

Almost surely, 2^43852138 is an apocalyptic number.

43852138 is a deficient number, since it is larger than the sum of its proper divisors (28161398).

43852138 is a wasteful number, since it uses less digits than its factorization.

43852138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7109.

The product of its digits is 23040, while the sum is 34.

The square root of 43852138 is about 6622.0946837085. The cubic root of 43852138 is about 352.6389318723.

The spelling of 43852138 in words is "forty-three million, eight hundred fifty-two thousand, one hundred thirty-eight".