198454806 has 32 divisors (see below), whose sum is σ = 481104000. Its totient is φ = 60137640.

The previous prime is 198454783. The next prime is 198454811. The reversal of 198454806 is 608454891.

198454806 is a `hidden beast` number, since 198 + 454 + 8 + 0 + 6 = 666.

198454806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166456 + ... + 167643.

It is an arithmetic number, because the mean of its divisors is an integer number (15034500).

Almost surely, 2^198454806 is an apocalyptic number.

198454806 is an abundant number, since it is smaller than the sum of its proper divisors (282649194).

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

198454806 is a wasteful number, since it uses less digits than its factorization.

198454806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334121 (or 334115 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 198454806 is about 14087.3988372588. The cubic root of 198454806 is about 583.2935941001.

The spelling of 198454806 in words is "one hundred ninety-eight million, four hundred fifty-four thousand, eight hundred six".