43494666 has 8 divisors (see below), whose sum is σ = 86989344. Its totient is φ = 14498220.

The previous prime is 43494617. The next prime is 43494697. The reversal of 43494666 is 66649434.

43494666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

43494666 is an admirable number.

It is a Curzon 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, 3624550 + ... + 3624561.

It is an arithmetic number, because the mean of its divisors is an integer number (10873668).

Almost surely, 2^43494666 is an apocalyptic number.

43494666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43494666 is a wasteful number, since it uses less digits than its factorization.

43494666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7249116.

The product of its digits is 373248, while the sum is 42.

The square root of 43494666 is about 6595.0485972432. The cubic root of 43494666 is about 351.6781072874.

The spelling of 43494666 in words is "forty-three million, four hundred ninety-four thousand, six hundred sixty-six".