449106506 has 4 divisors (see below), whose sum is σ = 673659762. Its totient is φ = 224553252.

The previous prime is 449106473. The next prime is 449106551. The reversal of 449106506 is 605601944.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 358761481 + 90345025 = 18941^2 + 9505^2 .

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 as a sum of consecutive naturals, namely, 112276625 + ... + 112276628.

Almost surely, 2^449106506 is an apocalyptic number.

449106506 is a deficient number, since it is larger than the sum of its proper divisors (224553256).

449106506 is a wasteful number, since it uses less digits than its factorization.

449106506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224553255.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 449106506 is about 21192.1331158522. The cubic root of 449106506 is about 765.8019164360.

The spelling of 449106506 in words is "four hundred forty-nine million, one hundred six thousand, five hundred six".