43452916 has 12 divisors (see below), whose sum is σ = 81892132. Its totient is φ = 20055168.

The previous prime is 43452889. The next prime is 43452961. The reversal of 43452916 is 61925434.

It is a happy number.

43452916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 19891600 + 23561316 = 4460^2 + 4854^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 417765 + ... + 417868.

Almost surely, 2^43452916 is an apocalyptic number.

It is an amenable number.

43452916 is a deficient number, since it is larger than the sum of its proper divisors (38439216).

43452916 is a wasteful number, since it uses less digits than its factorization.

43452916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835650 (or 835648 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 43452916 is about 6591.8825839058. The cubic root of 43452916 is about 351.5655474212.

The spelling of 43452916 in words is "forty-three million, four hundred fifty-two thousand, nine hundred sixteen".