449090 has 8 divisors (see below), whose sum is σ = 808380. Its totient is φ = 179632.

The previous prime is 449083. The next prime is 449093. The reversal of 449090 is 90944.

It can be written as a sum of positive squares in 2 ways, for example, as 421201 + 27889 = 649^2 + 167^2 .

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

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 449090.

It is not an unprimeable number, because it can be changed into a prime (449093) by changing a digit.

449090 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 3 ways as a sum of consecutive naturals, for example, 22445 + ... + 22464.

2⁴⁴⁹⁰⁹⁰ is an apocalyptic number.

449090 is a deficient number, since it is larger than the sum of its proper divisors (359290).

449090 is a wasteful number, since it uses less digits than its factorization.

449090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44916.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 449090 is about 670.1417760444. The cubic root of 449090 is about 76.5792534488.

It can be divided in two parts, 4 and 49090, that added together give a palindrome (49094).

The spelling of 449090 in words is "four hundred forty-nine thousand, ninety".