198500364 has 144 divisors (see below), whose sum is σ = 556028928. Its totient is φ = 59457024.

The previous prime is 198500339. The next prime is 198500371. The reversal of 198500364 is 463005891.

198500364 is a `hidden beast` number, since 1 + 98 + 500 + 3 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1927137 + ... + 1927239.

It is an arithmetic number, because the mean of its divisors is an integer number (3861312).

Almost surely, 2^198500364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198500364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278014464).

198500364 is an abundant number, since it is smaller than the sum of its proper divisors (357528564).

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

198500364 is a wasteful number, since it uses less digits than its factorization.

198500364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 198500364 is about 14089.0157214761. The cubic root of 198500364 is about 583.3382250111.

The spelling of 198500364 in words is "one hundred ninety-eight million, five hundred thousand, three hundred sixty-four".