198654850 has 48 divisors (see below), whose sum is σ = 382350528. Its totient is φ = 76731840.

The previous prime is 198654847. The next prime is 198654871. The reversal of 198654850 is 58456891.

It is a self number, because there is not a number n which added to its sum of digits gives 198654850.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308629 + ... + 309271.

It is an arithmetic number, because the mean of its divisors is an integer number (7965636).

Almost surely, 2^198654850 is an apocalyptic number.

198654850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

198654850 is a deficient number, since it is larger than the sum of its proper divisors (183695678).

198654850 is a wasteful number, since it uses less digits than its factorization.

198654850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859 (or 854 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The square root of 198654850 is about 14094.4971531446. The cubic root of 198654850 is about 583.4895164561.

The spelling of 198654850 in words is "one hundred ninety-eight million, six hundred fifty-four thousand, eight hundred fifty".