449408 has 16 divisors (see below), whose sum is σ = 895560. Its totient is φ = 224640.

The previous prime is 449399. The next prime is 449411. The reversal of 449408 is 804944.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a nialpdrome in base 9.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 449408.

It is an unprimeable number.

449408 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1628 + ... + 1883.

2⁴⁴⁹⁴⁰⁸ is an apocalyptic number.

It is an amenable number.

449408 is a deficient number, since it is larger than the sum of its proper divisors (446152).

449408 is an equidigital number, since it uses as much as digits as its factorization.

449408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525 (or 3513 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 449408 is about 670.3789972844. The cubic root of 449408 is about 76.5973244049.

The spelling of 449408 in words is "four hundred forty-nine thousand, four hundred eight".