449189 has 8 divisors (see below), whose sum is σ = 489720. Its totient is φ = 409536.

The previous prime is 449173. The next prime is 449201. The reversal of 449189 is 981944.

It can be written as a sum of positive squares in 4 ways, for example, as 289 + 448900 = 17^2 + 670^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 449189 - 2⁴ = 449173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 449189.

It is not an unprimeable number, because it can be changed into a prime (449129) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1259 + ... + 1575.

It is an arithmetic number, because the mean of its divisors is an integer number (61215).

2⁴⁴⁹¹⁸⁹ is an apocalyptic number.

It is an amenable number.

449189 is a deficient number, since it is larger than the sum of its proper divisors (40531).

449189 is a wasteful number, since it uses less digits than its factorization.

449189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439.

The product of its digits is 10368, while the sum is 35.

The square root of 449189 is about 670.2156369408. The cubic root of 449189 is about 76.5848802267.

The spelling of 449189 in words is "four hundred forty-nine thousand, one hundred eighty-nine".