43842112 has 56 divisors (see below), whose sum is σ = 90525600. Its totient is φ = 21052416.

The previous prime is 43842067. The next prime is 43842119. The reversal of 43842112 is 21124834.

It is not an unprimeable number, because it can be changed into a prime (43842119) 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, 244839 + ... + 245017.

Almost surely, 2^43842112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43842112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45262800).

43842112 is an abundant number, since it is smaller than the sum of its proper divisors (46683488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43842112 is a wasteful number, since it uses less digits than its factorization.

43842112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323 (or 313 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 43842112 is about 6621.3376292106. The cubic root of 43842112 is about 352.6120549812.

Adding to 43842112 its reverse (21124834), we get a palindrome (64966946).

The spelling of 43842112 in words is "forty-three million, eight hundred forty-two thousand, one hundred twelve".