198568354 has 16 divisors (see below), whose sum is σ = 313822080. Its totient is φ = 93970800.

The previous prime is 198568351. The next prime is 198568397. The reversal of 198568354 is 453865891.

It is a junction number, because it is equal to n+sod(n) for n = 198568298 and 198568307.

It is not an unprimeable number, because it can be changed into a prime (198568351) 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, 58504 + ... + 61804.

It is an arithmetic number, because the mean of its divisors is an integer number (19613880).

Almost surely, 2^198568354 is an apocalyptic number.

198568354 is a deficient number, since it is larger than the sum of its proper divisors (115253726).

198568354 is a wasteful number, since it uses less digits than its factorization.

198568354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4905.

The product of its digits is 1036800, while the sum is 49.

The square root of 198568354 is about 14091.4283874986. The cubic root of 198568354 is about 583.4048187405.

The spelling of 198568354 in words is "one hundred ninety-eight million, five hundred sixty-eight thousand, three hundred fifty-four".