43396906 has 32 divisors (see below), whose sum is σ = 78059520. Its totient is φ = 17691696.

The previous prime is 43396891. The next prime is 43396907. The reversal of 43396906 is 60969334.

43396906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (43396907) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 98635 + ... + 99073.

It is an arithmetic number, because the mean of its divisors is an integer number (2439360).

Almost surely, 2^43396906 is an apocalyptic number.

43396906 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

43396906 is a deficient number, since it is larger than the sum of its proper divisors (34662614).

43396906 is a wasteful number, since it uses less digits than its factorization.

43396906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778.

The product of its (nonzero) digits is 104976, while the sum is 40.

The square root of 43396906 is about 6587.6328070104. The cubic root of 43396906 is about 351.4144286570.

The spelling of 43396906 in words is "forty-three million, three hundred ninety-six thousand, nine hundred six".