43478816 has 12 divisors (see below), whose sum is σ = 85598982. Its totient is φ = 21739392.

The previous prime is 43478797. The next prime is 43478839. The reversal of 43478816 is 61887434.

43478816 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 only one way, i.e., 37699600 + 5779216 = 6140^2 + 2404^2 .

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 as a sum of consecutive naturals, namely, 679325 + ... + 679388.

Almost surely, 2^43478816 is an apocalyptic number.

It is an amenable number.

43478816 is a deficient number, since it is larger than the sum of its proper divisors (42120166).

43478816 is a wasteful number, since it uses less digits than its factorization.

43478816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358723 (or 1358715 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 43478816 is about 6593.8468286729. The cubic root of 43478816 is about 351.6353834644.

The spelling of 43478816 in words is "forty-three million, four hundred seventy-eight thousand, eight hundred sixteen".