198454802 has 24 divisors (see below), whose sum is σ = 372922956. Its totient is φ = 78509088.

The previous prime is 198454783. The next prime is 198454811. The reversal of 198454802 is 208454891.

It can be written as a sum of positive squares in 2 ways, for example, as 178195801 + 20259001 = 13349^2 + 4501^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 198454802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76613 + ... + 79160.

Almost surely, 2^198454802 is an apocalyptic number.

198454802 is a deficient number, since it is larger than the sum of its proper divisors (174468154).

198454802 is a wasteful number, since it uses less digits than its factorization.

198454802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155802 (or 155795 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 198454802 is about 14087.3986952879. The cubic root of 198454802 is about 583.2935901812.

The spelling of 198454802 in words is "one hundred ninety-eight million, four hundred fifty-four thousand, eight hundred two".