189846198 has 24 divisors (see below), whose sum is σ = 411933600. Its totient is φ = 63189744.

The previous prime is 189846143. The next prime is 189846211. The reversal of 189846198 is 891648981.

189846198 is a `hidden beast` number, since 1 + 8 + 98 + 461 + 98 = 666.

189846198 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 11 ways as a sum of consecutive naturals, for example, 5608 + ... + 20276.

It is an arithmetic number, because the mean of its divisors is an integer number (17163900).

Almost surely, 2^189846198 is an apocalyptic number.

189846198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

189846198 is an abundant number, since it is smaller than the sum of its proper divisors (222087402).

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

189846198 is a wasteful number, since it uses less digits than its factorization.

189846198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15396 (or 15393 counting only the distinct ones).

The product of its digits is 995328, while the sum is 54.

The square root of 189846198 is about 13778.4686376970. The cubic root of 189846198 is about 574.7345446391.

The spelling of 189846198 in words is "one hundred eighty-nine million, eight hundred forty-six thousand, one hundred ninety-eight".