449449 has 16 divisors (see below), whose sum is σ = 604800. Its totient is φ = 322560.
The previous prime is 449441. The next prime is 449459. The reversal of 449449 is 944944.
It is a happy number.
It is not a de Polignac number, because 449449 - 23 = 449441 is a prime.
It is not an unprimeable number, because it can be changed into a prime (449441) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777 + ... + 1225.
It is an arithmetic number, because the mean of its divisors is an integer number (37800).
2449449 is an apocalyptic number.
It is an amenable number.
449449 is a deficient number, since it is larger than the sum of its proper divisors (155351).
449449 is a wasteful number, since it uses less digits than its factorization.
449449 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 480.
The product of its digits is 20736, while the sum is 34.
The square root of 449449 is about 670.4095763039. The cubic root of 449449 is about 76.5996536875.
It can be divided in two parts, 44944 and 9, that multiplied together give a square (404496 = 6362).
The spelling of 449449 in words is "four hundred forty-nine thousand, four hundred forty-nine".
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