199860 has 24 divisors (see below), whose sum is σ = 559776. Its totient is φ = 53280.

The previous prime is 199853. The next prime is 199873. The reversal of 199860 is 68991.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1606 + ... + 1725.

It is an arithmetic number, because the mean of its divisors is an integer number (23324).

2¹⁹⁹⁸⁶⁰ is an apocalyptic number.

199860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199860 is an abundant number, since it is smaller than the sum of its proper divisors (359916).

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

199860 is a wasteful number, since it uses less digits than its factorization.

199860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343 (or 3341 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 199860 is about 447.0570433401. The cubic root of 199860 is about 58.4667061630.

The spelling of 199860 in words is "one hundred ninety-nine thousand, eight hundred sixty".