43873212 has 12 divisors (see below), whose sum is σ = 102370856. Its totient is φ = 14624400.

The previous prime is 43873189. The next prime is 43873217. The reversal of 43873212 is 21237834.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 43873212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43873217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1828039 + ... + 1828062.

Almost surely, 2^43873212 is an apocalyptic number.

It is an amenable number.

43873212 is an abundant number, since it is smaller than the sum of its proper divisors (58497644).

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

43873212 is a wasteful number, since it uses less digits than its factorization.

43873212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3656108 (or 3656106 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 43873212 is about 6623.6856809483. The cubic root of 43873212 is about 352.6954119974.

The spelling of 43873212 in words is "forty-three million, eight hundred seventy-three thousand, two hundred twelve".