449788 has 12 divisors (see below), whose sum is σ = 821520. Its totient is φ = 215072.

The previous prime is 449783. The next prime is 449797. The reversal of 449788 is 887944.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 449788.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449783) by changing a digit.

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, 2353 + ... + 2536.

It is an arithmetic number, because the mean of its divisors is an integer number (68460).

2⁴⁴⁹⁷⁸⁸ is an apocalyptic number.

It is an amenable number.

449788 is a deficient number, since it is larger than the sum of its proper divisors (371732).

449788 is a wasteful number, since it uses less digits than its factorization.

449788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4916 (or 4914 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 449788 is about 670.6623591644. The cubic root of 449788 is about 76.6189074528.

The spelling of 449788 in words is "four hundred forty-nine thousand, seven hundred eighty-eight".