449439 has 8 divisors (see below), whose sum is σ = 615600. Its totient is φ = 291456.

The previous prime is 449437. The next prime is 449441. The reversal of 449439 is 934944.

449439 = T₁₃₇ + T₁₃₈ + ... + T₁₇₃.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (449437) and next prime (449441).

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

It is not a de Polignac number, because 449439 - 2¹ = 449437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1914 + ... + 2135.

It is an arithmetic number, because the mean of its divisors is an integer number (76950).

2⁴⁴⁹⁴³⁹ is an apocalyptic number.

449439 is a deficient number, since it is larger than the sum of its proper divisors (166161).

449439 is a wasteful number, since it uses less digits than its factorization.

449439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4089.

The product of its digits is 15552, while the sum is 33.

The square root of 449439 is about 670.4021181351. The cubic root of 449439 is about 76.5990855829.

It can be divided in two parts, 449 and 439, that added together give a palindrome (888).

The spelling of 449439 in words is "four hundred forty-nine thousand, four hundred thirty-nine".