198313500 has 384 divisors, whose sum is σ = 769886208. Its totient is φ = 38400000.

The previous prime is 198313499. The next prime is 198313519. The reversal of 198313500 is 5313891.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1963450 + ... + 1963550.

It is an arithmetic number, because the mean of its divisors is an integer number (2004912).

Almost surely, 2^198313500 is an apocalyptic number.

198313500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198313500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384943104).

198313500 is an abundant number, since it is smaller than the sum of its proper divisors (571572708).

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

198313500 is a wasteful number, since it uses less digits than its factorization.

198313500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 198313500 is about 14082.3826109079. The cubic root of 198313500 is about 583.1551201631.

The spelling of 198313500 in words is "one hundred ninety-eight million, three hundred thirteen thousand, five hundred".