200019898 has 8 divisors (see below), whose sum is σ = 323109108. Its totient is φ = 92316864.

The previous prime is 200019887. The next prime is 200019899. The reversal of 200019898 is 898910002.

It can be written as a sum of positive squares in 2 ways, for example, as 197037369 + 2982529 = 14037^2 + 1727^2 .

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

It is not an unprimeable number, because it can be changed into a prime (200019899) 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 3 ways as a sum of consecutive naturals, for example, 3846511 + ... + 3846562.

Almost surely, 2^200019898 is an apocalyptic number.

200019898 is a deficient number, since it is larger than the sum of its proper divisors (123089210).

200019898 is a wasteful number, since it uses less digits than its factorization.

200019898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7693088.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 200019898 is about 14142.8391067706. The cubic root of 200019898 is about 584.8229410344.

The spelling of 200019898 in words is "two hundred million, nineteen thousand, eight hundred ninety-eight".