198920802 has 16 divisors (see below), whose sum is σ = 411560640. Its totient is φ = 64020432.

The previous prime is 198920759. The next prime is 198920809. The reversal of 198920802 is 208029891.

It is not an unprimeable number, because it can be changed into a prime (198920809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571438 + ... + 571785.

It is an arithmetic number, because the mean of its divisors is an integer number (25722540).

Almost surely, 2^198920802 is an apocalyptic number.

198920802 is an abundant number, since it is smaller than the sum of its proper divisors (212639838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198920802 is a wasteful number, since it uses less digits than its factorization.

198920802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143257.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 198920802 is about 14103.9286016344. The cubic root of 198920802 is about 583.7497853016.

It can be divided in two parts, 1989 and 20802, that added together give a triangular number (22791 = T₂₁₃).

The spelling of 198920802 in words is "one hundred ninety-eight million, nine hundred twenty thousand, eight hundred two".