449684 has 18 divisors (see below), whose sum is σ = 838110. Its totient is φ = 211072.

The previous prime is 449681. The next prime is 449689. The reversal of 449684 is 486944.

It can be written as a sum of positive squares in 3 ways, for example, as 122500 + 327184 = 350^2 + 572^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449681) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 962 + ... + 1350.

2⁴⁴⁹⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

449684 is a deficient number, since it is larger than the sum of its proper divisors (388426).

449684 is a wasteful number, since it uses less digits than its factorization.

449684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 408 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 449684 is about 670.5848193927. The cubic root of 449684 is about 76.6130017220.

The spelling of 449684 in words is "four hundred forty-nine thousand, six hundred eighty-four".