43449852 has 24 divisors (see below), whose sum is σ = 105791616. Its totient is φ = 13853488.

The previous prime is 43449821. The next prime is 43449853. The reversal of 43449852 is 25894434.

It is a self number, because there is not a number n which added to its sum of digits gives 43449852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43449853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78438 + ... + 78989.

It is an arithmetic number, because the mean of its divisors is an integer number (4407984).

Almost surely, 2^43449852 is an apocalyptic number.

It is an amenable number.

43449852 is an abundant number, since it is smaller than the sum of its proper divisors (62341764).

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

43449852 is a wasteful number, since it uses less digits than its factorization.

43449852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157457 (or 157455 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 43449852 is about 6591.6501727564. The cubic root of 43449852 is about 351.5572839009.

It can be divided in two parts, 4344 and 9852, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 43449852 in words is "forty-three million, four hundred forty-nine thousand, eight hundred fifty-two".