190912 has 28 divisors (see below), whose sum is σ = 401320. Its totient is φ = 89856.
The previous prime is 190909. The next prime is 190913. The reversal of 190912 is 219091.
190912 = T43 + T44 + ... + T106.
190912 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×1909123 = 20874733357891584, which contains 333 as substring.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (190913) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138 + ... + 1294.
2190912 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 190912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200660).
190912 is an abundant number, since it is smaller than the sum of its proper divisors (210408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190912 is a wasteful number, since it uses less digits than its factorization.
190912 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 188 (or 178 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 22.
The square root of 190912 is about 436.9347777415. The cubic root of 190912 is about 57.5808063622.
The spelling of 190912 in words is "one hundred ninety thousand, nine hundred twelve".
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