198694944 has 240 divisors, whose sum is σ = 684972288. Its totient is φ = 55323648.

The previous prime is 198694939. The next prime is 198694981. The reversal of 198694944 is 449496891.

It is a happy number.

198694944 is a `hidden beast` number, since 1 + 98 + 69 + 494 + 4 = 666.

198694944 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 852652 + ... + 852884.

Almost surely, 2^198694944 is an apocalyptic number.

198694944 is a gapful number since it is divisible by the number (14) 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 198694944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342486144).

198694944 is an abundant number, since it is smaller than the sum of its proper divisors (486277344).

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

198694944 is a wasteful number, since it uses less digits than its factorization.

198694944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 292 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 198694944 is about 14095.9194095313. The cubic root of 198694944 is about 583.5287685474.

The spelling of 198694944 in words is "one hundred ninety-eight million, six hundred ninety-four thousand, nine hundred forty-four".