198828456 has 16 divisors (see below), whose sum is σ = 497071200. Its totient is φ = 66276144.

The previous prime is 198828349. The next prime is 198828473. The reversal of 198828456 is 654828891.

It is a junction number, because it is equal to n+sod(n) for n = 198828399 and 198828408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4142236 + ... + 4142283.

It is an arithmetic number, because the mean of its divisors is an integer number (31066950).

Almost surely, 2^198828456 is an apocalyptic number.

It is an amenable number.

198828456 is an abundant number, since it is smaller than the sum of its proper divisors (298242744).

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

198828456 is a wasteful number, since it uses less digits than its factorization.

198828456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8284528 (or 8284524 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 51.

The square root of 198828456 is about 14100.6544528969. The cubic root of 198828456 is about 583.6594389576.

The spelling of 198828456 in words is "one hundred ninety-eight million, eight hundred twenty-eight thousand, four hundred fifty-six".