198928954 has 16 divisors (see below), whose sum is σ = 341280576. Its totient is φ = 85190400.

The previous prime is 198928913. The next prime is 198928967. The reversal of 198928954 is 459829891.

It is a junction number, because it is equal to n+sod(n) for n = 198928895 and 198928904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16794 + ... + 26074.

It is an arithmetic number, because the mean of its divisors is an integer number (21330036).

Almost surely, 2^198928954 is an apocalyptic number.

198928954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

198928954 is a deficient number, since it is larger than the sum of its proper divisors (142351622).

198928954 is a wasteful number, since it uses less digits than its factorization.

198928954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10821.

The product of its digits is 1866240, while the sum is 55.

The square root of 198928954 is about 14104.2175961660. The cubic root of 198928954 is about 583.7577594354.

The spelling of 198928954 in words is "one hundred ninety-eight million, nine hundred twenty-eight thousand, nine hundred fifty-four".