199069 has 4 divisors (see below), whose sum is σ = 214396. Its totient is φ = 183744.
The previous prime is 199049. The next prime is 199081. The reversal of 199069 is 960991.
It is a happy number.
199069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 8100 + 190969 = 90^2 + 437^2 .
It is a cyclic number.
It is not a de Polignac number, because 199069 - 25 = 199037 is a prime.
It is a super-2 number, since 2×1990692 = 79256933522, which contains 22 as substring.
199069 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (199039) 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, 7644 + ... + 7669.
It is an arithmetic number, because the mean of its divisors is an integer number (53599).
2199069 is an apocalyptic number.
It is an amenable number.
199069 is a deficient number, since it is larger than the sum of its proper divisors (15327).
199069 is a wasteful number, since it uses less digits than its factorization.
199069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15326.
The product of its (nonzero) digits is 4374, while the sum is 34.
The square root of 199069 is about 446.1714916935. The cubic root of 199069 is about 58.3894715805.
The spelling of 199069 in words is "one hundred ninety-nine thousand, sixty-nine".
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