43049928 has 64 divisors (see below), whose sum is σ = 113218560. Its totient is φ = 13614656.

The previous prime is 43049893. The next prime is 43049947. The reversal of 43049928 is 82994034.

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 in 15 ways as a sum of consecutive naturals, for example, 91951 + ... + 92417.

It is an arithmetic number, because the mean of its divisors is an integer number (1769040).

Almost surely, 2^43049928 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 43049928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56609280).

43049928 is an abundant number, since it is smaller than the sum of its proper divisors (70168632).

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

43049928 is a wasteful number, since it uses less digits than its factorization.

43049928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 43049928 is about 6561.2443941679. The cubic root of 43049928 is about 350.4753486759.

The spelling of 43049928 in words is "forty-three million, forty-nine thousand, nine hundred twenty-eight".