449401605 has 16 divisors (see below), whose sum is σ = 725765184. Its totient is φ = 237440000.

The previous prime is 449401583. The next prime is 449401609. The reversal of 449401605 is 506104944.

It is not a de Polignac number, because 449401605 - 2⁵ = 449401573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449401609) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 138396 + ... + 141605.

It is an arithmetic number, because the mean of its divisors is an integer number (45360324).

Almost surely, 2^449401605 is an apocalyptic number.

It is an amenable number.

449401605 is a deficient number, since it is larger than the sum of its proper divisors (276363579).

449401605 is a wasteful number, since it uses less digits than its factorization.

449401605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280116.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 449401605 is about 21199.0944382066. The cubic root of 449401605 is about 765.9696108080.

The spelling of 449401605 in words is "four hundred forty-nine million, four hundred one thousand, six hundred five".