198494496 has 48 divisors (see below), whose sum is σ = 578944800. Its totient is φ = 66164544.

The previous prime is 198494477. The next prime is 198494497. The reversal of 198494496 is 694494891.

It is a happy number.

198494496 is a `hidden beast` number, since 198 + 4 + 9 + 449 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

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 not an unprimeable number, because it can be changed into a prime (198494497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114006 + ... + 115733.

It is an arithmetic number, because the mean of its divisors is an integer number (12061350).

Almost surely, 2^198494496 is an apocalyptic number.

198494496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

198494496 is an abundant number, since it is smaller than the sum of its proper divisors (380450304).

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

198494496 is a wasteful number, since it uses less digits than its factorization.

198494496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229758 (or 229744 counting only the distinct ones).

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

The square root of 198494496 is about 14088.8074726004. The cubic root of 198494496 is about 583.3324768060.

The spelling of 198494496 in words is "one hundred ninety-eight million, four hundred ninety-four thousand, four hundred ninety-six".