198913736 has 96 divisors (see below), whose sum is σ = 483861600. Its totient is φ = 75962880.

The previous prime is 198913727. The next prime is 198913769. The reversal of 198913736 is 637319891.

It is a happy number.

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, 125831 + ... + 127401.

It is an arithmetic number, because the mean of its divisors is an integer number (5040225).

Almost surely, 2^198913736 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 198913736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241930800).

198913736 is an abundant number, since it is smaller than the sum of its proper divisors (284947864).

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

198913736 is a wasteful number, since it uses less digits than its factorization.

198913736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627 (or 1616 counting only the distinct ones).

The product of its digits is 244944, while the sum is 47.

The square root of 198913736 is about 14103.6781018286. The cubic root of 198913736 is about 583.7428732965.

The spelling of 198913736 in words is "one hundred ninety-eight million, nine hundred thirteen thousand, seven hundred thirty-six".