199840002 has 8 divisors (see below), whose sum is σ = 399680016. Its totient is φ = 66613332.

The previous prime is 199840001. The next prime is 199840033. The reversal of 199840002 is 200048991.

It is a sphenic number, since it is the product of 3 distinct primes.

199840002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (199840001) 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, 16653328 + ... + 16653339.

It is an arithmetic number, because the mean of its divisors is an integer number (49960002).

Almost surely, 2^199840002 is an apocalyptic number.

199840002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

199840002 is a wasteful number, since it uses less digits than its factorization.

199840002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33306672.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 199840002 is about 14136.4777083968. The cubic root of 199840002 is about 584.6475603757.

Adding to 199840002 its reverse (200048991), we get a palindrome (399888993).

The spelling of 199840002 in words is "one hundred ninety-nine million, eight hundred forty thousand, two".