43038912 has 112 divisors (see below), whose sum is σ = 134469632. Its totient is φ = 11888640.

The previous prime is 43038893. The next prime is 43038913. The reversal of 43038912 is 21983034.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×43038912² = 3704695892287488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43038912.

It is not an unprimeable number, because it can be changed into a prime (43038913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41148 + ... + 42180.

Almost surely, 2^43038912 is an apocalyptic number.

43038912 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43038912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67234816).

43038912 is an abundant number, since it is smaller than the sum of its proper divisors (91430720).

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

43038912 is a wasteful number, since it uses less digits than its factorization.

43038912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086 (or 1076 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 43038912 is about 6560.4048655552. The cubic root of 43038912 is about 350.4454518718.

The spelling of 43038912 in words is "forty-three million, thirty-eight thousand, nine hundred twelve".