198343408 has 20 divisors (see below), whose sum is σ = 384649488. Its totient is φ = 99079040.

The previous prime is 198343381. The next prime is 198343423. The reversal of 198343408 is 804343891.

It is a congruent number.

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, 13893 + ... + 24283.

Almost surely, 2^198343408 is an apocalyptic number.

It is an amenable number.

198343408 is a deficient number, since it is larger than the sum of its proper divisors (186306080).

198343408 is a wasteful number, since it uses less digits than its factorization.

198343408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11592 (or 11586 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 198343408 is about 14083.4444650448. Note that the first 4 decimals coincide. The cubic root of 198343408 is about 583.1844342317.

The spelling of 198343408 in words is "one hundred ninety-eight million, three hundred forty-three thousand, four hundred eight".