199814860 has 48 divisors (see below), whose sum is σ = 489775104. Its totient is φ = 67048128.

The previous prime is 199814831. The next prime is 199814861. The reversal of 199814860 is 68418991.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 199814860.

It is not an unprimeable number, because it can be changed into a prime (199814861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8604 + ... + 21763.

It is an arithmetic number, because the mean of its divisors is an integer number (10203648).

Almost surely, 2^199814860 is an apocalyptic number.

199814860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

199814860 is an abundant number, since it is smaller than the sum of its proper divisors (289960244).

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

199814860 is a wasteful number, since it uses less digits than its factorization.

199814860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30430 (or 30428 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 199814860 is about 14135.5884207202. The cubic root of 199814860 is about 584.6230410514.

The spelling of 199814860 in words is "one hundred ninety-nine million, eight hundred fourteen thousand, eight hundred sixty".