449404 has 12 divisors (see below), whose sum is σ = 791224. Its totient is φ = 223344.

The previous prime is 449399. The next prime is 449411. The reversal of 449404 is 404944.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

449404 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 in 3 ways as a sum of consecutive naturals, for example, 934 + ... + 1330.

2⁴⁴⁹⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

449404 is a deficient number, since it is larger than the sum of its proper divisors (341820).

449404 is a wasteful number, since it uses less digits than its factorization.

449404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 449404 is about 670.3760138907. The cubic root of 449404 is about 76.5970971502.

It can be divided in two parts, 44940 and 4, that added together give a palindrome (44944).

The spelling of 449404 in words is "four hundred forty-nine thousand, four hundred four".