447630 has 32 divisors (see below), whose sum is σ = 1102464. Its totient is φ = 116256.
The previous prime is 447617. The next prime is 447637. The reversal of 447630 is 36744.
It is a self number, because there is not a number n which added to its sum of digits gives 447630.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 447630.
It is not an unprimeable number, because it can be changed into a prime (447637) 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, 1117 + ... + 1463.
It is an arithmetic number, because the mean of its divisors is an integer number (34452).
2447630 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 447630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (551232).
447630 is an abundant number, since it is smaller than the sum of its proper divisors (654834).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
447630 is a wasteful number, since it uses less digits than its factorization.
447630 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 400.
The product of its (nonzero) digits is 2016, while the sum is 24.
The square root of 447630 is about 669.0515675193. The cubic root of 447630 is about 76.4961764931.
The spelling of 447630 in words is "four hundred forty-seven thousand, six hundred thirty".
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