449884 has 12 divisors (see below), whose sum is σ = 804384. Its totient is φ = 220064.

The previous prime is 449879. The next prime is 449921. The reversal of 449884 is 488944.

449884 = T₄₇ + T₄₈ + ... + T₁₄₀.

It is a super-2 number, since 2×449884² = 404791226912, which contains 22 as substring.

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009 + ... + 1384.

It is an arithmetic number, because the mean of its divisors is an integer number (67032).

2⁴⁴⁹⁸⁸⁴ is an apocalyptic number.

It is an amenable number.

449884 is a deficient number, since it is larger than the sum of its proper divisors (354500).

449884 is a wasteful number, since it uses less digits than its factorization.

449884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2444 (or 2442 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 449884 is about 670.7339263821. The cubic root of 449884 is about 76.6243580887.

Subtracting 449884 from its reverse (488944), we obtain a triangular number (39060 = T₂₇₉).

The spelling of 449884 in words is "four hundred forty-nine thousand, eight hundred eighty-four".