219080 has 16 divisors (see below), whose sum is σ = 493020. Its totient is φ = 87616.
The previous prime is 219071. The next prime is 219083. The reversal of 219080 is 80912.
It can be written as a sum of positive squares in 2 ways, for example, as 198916 + 20164 = 446^2 + 142^2 .
It is a Harshad number since it is a multiple of its sum of digits (20).
It is not an unprimeable number, because it can be changed into a prime (219083) by changing a digit.
219080 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2699 + ... + 2778.
2219080 is an apocalyptic number.
219080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
219080 is an abundant number, since it is smaller than the sum of its proper divisors (273940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
219080 is a wasteful number, since it uses less digits than its factorization.
219080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5488 (or 5484 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 20.
The square root of 219080 is about 468.0598252360. The cubic root of 219080 is about 60.2838403124.
Adding to 219080 its reverse (80912), we get a palindrome (299992).
The spelling of 219080 in words is "two hundred nineteen thousand, eighty".
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