446666404 has 12 divisors (see below), whose sum is σ = 796415004. Its totient is φ = 219119264.

The previous prime is 446666399. The next prime is 446666411. The reversal of 446666404 is 404666644.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 356454400 + 90212004 = 18880^2 + 9498^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1053247 + ... + 1053670.

It is an arithmetic number, because the mean of its divisors is an integer number (66367917).

Almost surely, 2^446666404 is an apocalyptic number.

It is an amenable number.

446666404 is a deficient number, since it is larger than the sum of its proper divisors (349748600).

446666404 is a wasteful number, since it uses less digits than its factorization.

446666404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106974 (or 2106972 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 40.

The square root of 446666404 is about 21134.4837646913. The cubic root of 446666404 is about 764.4124692704.

It can be divided in two parts, 44666640 and 4, that added together give a palindrome (44666644).

The spelling of 446666404 in words is "four hundred forty-six million, six hundred sixty-six thousand, four hundred four".