449491 has 8 divisors (see below), whose sum is σ = 518240. Its totient is φ = 381888.

The previous prime is 449473. The next prime is 449543. The reversal of 449491 is 194944.

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 449491 - 2⁵ = 449459 is a prime.

It is a super-3 number, since 3×449491³ = 272448396382433313, which contains 333 as substring.

It is a Duffinian number.

449491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (449411) 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 7 ways as a sum of consecutive naturals, for example, 895 + ... + 1303.

It is an arithmetic number, because the mean of its divisors is an integer number (64780).

2⁴⁴⁹⁴⁹¹ is an apocalyptic number.

449491 is a deficient number, since it is larger than the sum of its proper divisors (68749).

449491 is a wasteful number, since it uses less digits than its factorization.

449491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573.

The product of its digits is 5184, while the sum is 31.

The square root of 449491 is about 670.4408997071. The cubic root of 449491 is about 76.6020396351.

The spelling of 449491 in words is "four hundred forty-nine thousand, four hundred ninety-one".