198039802 has 16 divisors (see below), whose sum is σ = 303357672. Its totient is φ = 96940800.

The previous prime is 198039791. The next prime is 198039857. The reversal of 198039802 is 208930891.

It can be written as a sum of positive squares in 4 ways, for example, as 197936761 + 103041 = 14069^2 + 321^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15052 + ... + 24952.

Almost surely, 2^198039802 is an apocalyptic number.

198039802 is a deficient number, since it is larger than the sum of its proper divisors (105317870).

198039802 is a wasteful number, since it uses less digits than its factorization.

198039802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10113.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 198039802 is about 14072.6615108870. The cubic root of 198039802 is about 582.8867204272.

The spelling of 198039802 in words is "one hundred ninety-eight million, thirty-nine thousand, eight hundred two".