199240 has 32 divisors (see below), whose sum is σ = 476280. Its totient is φ = 74752.

The previous prime is 199211. The next prime is 199247. The reversal of 199240 is 42991.

It can be written as a sum of positive squares in 4 ways, for example, as 198916 + 324 = 446^2 + 18^2 .

It is not an unprimeable number, because it can be changed into a prime (199247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534 + ... + 826.

2¹⁹⁹²⁴⁰ is an apocalyptic number.

199240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238140).

199240 is an abundant number, since it is smaller than the sum of its proper divisors (277040).

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

199240 is a wasteful number, since it uses less digits than its factorization.

199240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 199240 is about 446.3630809106. The cubic root of 199240 is about 58.4061856212.

The spelling of 199240 in words is "one hundred ninety-nine thousand, two hundred forty".