449898 has 16 divisors (see below), whose sum is σ = 907200. Its totient is φ = 148736.

The previous prime is 449879. The next prime is 449921. The reversal of 449898 is 898944.

It is an Ulam number.

It is an unprimeable number.

449898 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 778 + ... + 1226.

It is an arithmetic number, because the mean of its divisors is an integer number (56700).

2⁴⁴⁹⁸⁹⁸ is an apocalyptic number.

449898 is an abundant number, since it is smaller than the sum of its proper divisors (457302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449898 is a wasteful number, since it uses less digits than its factorization.

449898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621.

The product of its digits is 82944, while the sum is 42.

The square root of 449898 is about 670.7443626301. The cubic root of 449898 is about 76.6251529084.

The spelling of 449898 in words is "four hundred forty-nine thousand, eight hundred ninety-eight".