449879666 has 8 divisors (see below), whose sum is σ = 675045084. Its totient is φ = 224864640.

The previous prime is 449879659. The next prime is 449879669. The reversal of 449879666 is 666978944.

It can be written as a sum of positive squares in 2 ways, for example, as 446096641 + 3783025 = 21121^2 + 1945^2 .

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

It is not an unprimeable number, because it can be changed into a prime (449879669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29795 + ... + 42278.

Almost surely, 2^449879666 is an apocalyptic number.

449879666 is a deficient number, since it is larger than the sum of its proper divisors (225165418).

449879666 is a wasteful number, since it uses less digits than its factorization.

449879666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75196.

The product of its digits is 15676416, while the sum is 59.

The square root of 449879666 is about 21210.3669463779. The cubic root of 449879666 is about 766.2411203195.

The spelling of 449879666 in words is "four hundred forty-nine million, eight hundred seventy-nine thousand, six hundred sixty-six".