198606802 has 4 divisors (see below), whose sum is σ = 297910206. Its totient is φ = 99303400.

The previous prime is 198606797. The next prime is 198606823. The reversal of 198606802 is 208606891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 208606891 = 139 ⋅1500769.

It can be written as a sum of positive squares in only one way, i.e., 186349801 + 12257001 = 13651^2 + 3501^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49651699 + ... + 49651702.

Almost surely, 2^198606802 is an apocalyptic number.

198606802 is a deficient number, since it is larger than the sum of its proper divisors (99303404).

198606802 is an equidigital number, since it uses as much as digits as its factorization.

198606802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99303403.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 198606802 is about 14092.7925550616. The cubic root of 198606802 is about 583.4424704281.

It can be divided in two parts, 19860 and 6802, that added together give a palindrome (26662).

The spelling of 198606802 in words is "one hundred ninety-eight million, six hundred six thousand, eight hundred two".