449644 has 12 divisors (see below), whose sum is σ = 847504. Its totient is φ = 207504.

The previous prime is 449629. The next prime is 449653. The reversal of 449644 is 446944.

449644 = 7² + 8² + ... + 110².

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4272 + ... + 4375.

2⁴⁴⁹⁶⁴⁴ is an apocalyptic number.

It is an amenable number.

449644 is a deficient number, since it is larger than the sum of its proper divisors (397860).

449644 is a wasteful number, since it uses less digits than its factorization.

449644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8664 (or 8662 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 449644 is about 670.5549940162. The cubic root of 449644 is about 76.6107300446.

The spelling of 449644 in words is "four hundred forty-nine thousand, six hundred forty-four".