449686 has 8 divisors (see below), whose sum is σ = 696384. Its totient is φ = 217560.

The previous prime is 449681. The next prime is 449689. The reversal of 449686 is 686944.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449681) 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 3 ways as a sum of consecutive naturals, for example, 3565 + ... + 3688.

It is an arithmetic number, because the mean of its divisors is an integer number (87048).

2⁴⁴⁹⁶⁸⁶ is an apocalyptic number.

449686 is a deficient number, since it is larger than the sum of its proper divisors (246698).

449686 is a wasteful number, since it uses less digits than its factorization.

449686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7286.

The product of its digits is 41472, while the sum is 37.

The square root of 449686 is about 670.5863106268. The cubic root of 449686 is about 76.6131153023.

It can be divided in two parts, 44 and 9686, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 449686 in words is "four hundred forty-nine thousand, six hundred eighty-six".