449887 has 4 divisors (see below), whose sum is σ = 451360. Its totient is φ = 448416.

The previous prime is 449879. The next prime is 449921. The reversal of 449887 is 788944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 449887 - 2³ = 449879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87 + ... + 952.

It is an arithmetic number, because the mean of its divisors is an integer number (112840).

2⁴⁴⁹⁸⁸⁷ is an apocalyptic number.

449887 is a deficient number, since it is larger than the sum of its proper divisors (1473).

449887 is a wasteful number, since it uses less digits than its factorization.

449887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472.

The product of its digits is 64512, while the sum is 40.

The square root of 449887 is about 670.7361627346. The cubic root of 449887 is about 76.6245284086.

The spelling of 449887 in words is "four hundred forty-nine thousand, eight hundred eighty-seven".