198968358 has 16 divisors (see below), whose sum is σ = 399825216. Its totient is φ = 66008040.

The previous prime is 198968339. The next prime is 198968381. The reversal of 198968358 is 853869891.

It is a junction number, because it is equal to n+sod(n) for n = 198968298 and 198968307.

It is a congruent number.

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, 77316 + ... + 79847.

It is an arithmetic number, because the mean of its divisors is an integer number (24989076).

Almost surely, 2^198968358 is an apocalyptic number.

198968358 is an abundant number, since it is smaller than the sum of its proper divisors (200856858).

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

198968358 is a wasteful number, since it uses less digits than its factorization.

198968358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157379.

The product of its digits is 3732480, while the sum is 57.

The square root of 198968358 is about 14105.6144141260. The cubic root of 198968358 is about 583.7963006192.

The spelling of 198968358 in words is "one hundred ninety-eight million, nine hundred sixty-eight thousand, three hundred fifty-eight".