43115946 has 16 divisors (see below), whose sum is σ = 86433600. Its totient is φ = 14338368.

The previous prime is 43115929. The next prime is 43115983. The reversal of 43115946 is 64951134.

43115946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5551 + ... + 10818.

It is an arithmetic number, because the mean of its divisors is an integer number (5402100).

Almost surely, 2^43115946 is an apocalyptic number.

43115946 is an abundant number, since it is smaller than the sum of its proper divisors (43317654).

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

43115946 is a wasteful number, since it uses less digits than its factorization.

43115946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16813.

The product of its digits is 12960, while the sum is 33.

The square root of 43115946 is about 6566.2733723171. The cubic root of 43115946 is about 350.6544110293.

The spelling of 43115946 in words is "forty-three million, one hundred fifteen thousand, nine hundred forty-six".