449389 has 4 divisors (see below), whose sum is σ = 453856. Its totient is φ = 444924.

The previous prime is 449381. The next prime is 449399. The reversal of 449389 is 983944.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 449389 - 2³ = 449381 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449381) 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 3 ways as a sum of consecutive naturals, for example, 2079 + ... + 2284.

It is an arithmetic number, because the mean of its divisors is an integer number (113464).

2⁴⁴⁹³⁸⁹ is an apocalyptic number.

It is an amenable number.

449389 is a deficient number, since it is larger than the sum of its proper divisors (4467).

449389 is a wasteful number, since it uses less digits than its factorization.

449389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4466.

The product of its digits is 31104, while the sum is 37.

The square root of 449389 is about 670.3648260462. The cubic root of 449389 is about 76.5962449331.

It can be divided in two parts, 449 and 389, that added together give a palindrome (838).

The spelling of 449389 in words is "four hundred forty-nine thousand, three hundred eighty-nine".