198802851 has 16 divisors (see below), whose sum is σ = 285858720. Its totient is φ = 122169600.

The previous prime is 198802847. The next prime is 198802853. The reversal of 198802851 is 158208891.

It is not a de Polignac number, because 198802851 - 2² = 198802847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (198802853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28401 + ... + 34701.

It is an arithmetic number, because the mean of its divisors is an integer number (17866170).

Almost surely, 2^198802851 is an apocalyptic number.

198802851 is a deficient number, since it is larger than the sum of its proper divisors (87055869).

198802851 is a wasteful number, since it uses less digits than its factorization.

198802851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7126.

The product of its (nonzero) digits is 46080, while the sum is 42.

The square root of 198802851 is about 14099.7464870827. The cubic root of 198802851 is about 583.6343834536.

The spelling of 198802851 in words is "one hundred ninety-eight million, eight hundred two thousand, eight hundred fifty-one".