487449 has 12 divisors (see below), whose sum is σ = 721812. Its totient is φ = 316800.
The previous prime is 487447. The next prime is 487457. The reversal of 487449 is 944784.
It can be written as a sum of positive squares in 2 ways, for example, as 230400 + 257049 = 480^2 + 507^2 .
It is not a de Polignac number, because 487449 - 21 = 487447 is a prime.
It is not an unprimeable number, because it can be changed into a prime (487447) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 292 + ... + 1029.
It is an arithmetic number, because the mean of its divisors is an integer number (60151).
2487449 is an apocalyptic number.
It is an amenable number.
487449 is a deficient number, since it is larger than the sum of its proper divisors (234363).
487449 is a wasteful number, since it uses less digits than its factorization.
487449 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1368 (or 1365 counting only the distinct ones).
The product of its digits is 32256, while the sum is 36.
The square root of 487449 is about 698.1754793746. The cubic root of 487449 is about 78.7003012194.
The spelling of 487449 in words is "four hundred eighty-seven thousand, four hundred forty-nine".
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