200412 has 36 divisors (see below), whose sum is σ = 535080. Its totient is φ = 63072.
The previous prime is 200407. The next prime is 200437. The reversal of 200412 is 214002.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 200394 and 200403.
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 200412.
It is an unprimeable number.
200412 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 11 ways as a sum of consecutive naturals, for example, 538 + ... + 830.
2200412 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 200412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267540).
200412 is an abundant number, since it is smaller than the sum of its proper divisors (334668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
200412 is a wasteful number, since it uses less digits than its factorization.
200412 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 322 (or 317 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 9.
The square root of 200412 is about 447.6739885229. The cubic root of 200412 is about 58.5204837319.
Adding to 200412 its reverse (214002), we get a palindrome (414414).
It can be divided in two parts, 2004 and 12, that added together give a triangular number (2016 = T63).
The spelling of 200412 in words is "two hundred thousand, four hundred twelve", and thus it is an iban number.
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