43849812 has 12 divisors (see below), whose sum is σ = 102316256. Its totient is φ = 14616600.

The previous prime is 43849811. The next prime is 43849823. The reversal of 43849812 is 21894834.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43849811) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1827064 + ... + 1827087.

Almost surely, 2^43849812 is an apocalyptic number.

It is an amenable number.

43849812 is an abundant number, since it is smaller than the sum of its proper divisors (58466444).

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

43849812 is a wasteful number, since it uses less digits than its factorization.

43849812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3654158 (or 3654156 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 43849812 is about 6621.9190571918. The cubic root of 43849812 is about 352.6326968844.

It can be divided in two parts, 4384 and 9812, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 43849812 in words is "forty-three million, eight hundred forty-nine thousand, eight hundred twelve".