446666444 has 24 divisors (see below), whose sum is σ = 893813760. Its totient is φ = 191325456.

The previous prime is 446666431. The next prime is 446666447. The reversal of 446666444 is 444666644.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 446666395 and 446666404.

It is not an unprimeable number, because it can be changed into a prime (446666447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73199 + ... + 79065.

It is an arithmetic number, because the mean of its divisors is an integer number (37242240).

Almost surely, 2^446666444 is an apocalyptic number.

It is an amenable number.

446666444 is an abundant number, since it is smaller than the sum of its proper divisors (447147316).

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

446666444 is a wasteful number, since it uses less digits than its factorization.

446666444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8597 (or 8595 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 44.

The square root of 446666444 is about 21134.4847110120. The cubic root of 446666444 is about 764.4124920887.

The spelling of 446666444 in words is "four hundred forty-six million, six hundred sixty-six thousand, four hundred forty-four".