43994246 has 16 divisors (see below), whose sum is σ = 67939344. Its totient is φ = 21354144.

The previous prime is 43994219. The next prime is 43994257. The reversal of 43994246 is 64249934.

43994246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×43994246² = 3870987362217032, which contains 22 as substring.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 13400 + ... + 16356.

It is an arithmetic number, because the mean of its divisors is an integer number (4246209).

Almost surely, 2^43994246 is an apocalyptic number.

43994246 is a deficient number, since it is larger than the sum of its proper divisors (23945098).

43994246 is a wasteful number, since it uses less digits than its factorization.

43994246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175.

The product of its digits is 186624, while the sum is 41.

The square root of 43994246 is about 6632.8158424609. The cubic root of 43994246 is about 353.0194437524.

The spelling of 43994246 in words is "forty-three million, nine hundred ninety-four thousand, two hundred forty-six".