199026 has 12 divisors (see below), whose sum is σ = 431262. Its totient is φ = 66336.

The previous prime is 199021. The next prime is 199033. The reversal of 199026 is 620991.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 189225 + 9801 = 435^2 + 99^2 .

It is a super-2 number, since 2×199026² = 79222697352, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5511 + ... + 5546.

2¹⁹⁹⁰²⁶ is an apocalyptic number.

199026 is an abundant number, since it is smaller than the sum of its proper divisors (232236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199026 is a wasteful number, since it uses less digits than its factorization.

199026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11065 (or 11062 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 199026 is about 446.1233013417. The cubic root of 199026 is about 58.3852671286.

It can be divided in two parts, 1990 and 26, that added together give a triangular number (2016 = T₆₃).

The spelling of 199026 in words is "one hundred ninety-nine thousand, twenty-six".