43934816 has 12 divisors (see below), whose sum is σ = 86496732. Its totient is φ = 21967392.

The previous prime is 43934773. The next prime is 43934819. The reversal of 43934816 is 61843934.

It is a self number, because there is not a number n which added to its sum of digits gives 43934816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43934819) 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 as a sum of consecutive naturals, namely, 686450 + ... + 686513.

It is an arithmetic number, because the mean of its divisors is an integer number (7208061).

Almost surely, 2^43934816 is an apocalyptic number.

It is an amenable number.

43934816 is a deficient number, since it is larger than the sum of its proper divisors (42561916).

43934816 is a wasteful number, since it uses less digits than its factorization.

43934816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372973 (or 1372965 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 43934816 is about 6628.3343307350. The cubic root of 43934816 is about 352.8604123523.

The spelling of 43934816 in words is "forty-three million, nine hundred thirty-four thousand, eight hundred sixteen".