43043868 has 36 divisors (see below), whose sum is σ = 124349680. Its totient is φ = 12298176.

The previous prime is 43043867. The next prime is 43043927. The reversal of 43043868 is 86834034.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43043867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85153 + ... + 85656.

Almost surely, 2^43043868 is an apocalyptic number.

It is an amenable number.

43043868 is an abundant number, since it is smaller than the sum of its proper divisors (81305812).

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

43043868 is a wasteful number, since it uses less digits than its factorization.

43043868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170826 (or 170821 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 43043868 is about 6560.7825752726. The cubic root of 43043868 is about 350.4589028081.

The spelling of 43043868 in words is "forty-three million, forty-three thousand, eight hundred sixty-eight".