198954560 has 56 divisors (see below), whose sum is σ = 541446720. Its totient is φ = 68212224.

The previous prime is 198954541. The next prime is 198954563. The reversal of 198954560 is 65459891.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (198954563) 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, 42170 + ... + 46649.

Almost surely, 2^198954560 is an apocalyptic number.

198954560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198954560 is an abundant number, since it is smaller than the sum of its proper divisors (342492160).

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

198954560 is an equidigital number, since it uses as much as digits as its factorization.

198954560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88843 (or 88833 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 198954560 is about 14105.1253096171. The cubic root of 198954560 is about 583.7828053284.

The spelling of 198954560 in words is "one hundred ninety-eight million, nine hundred fifty-four thousand, five hundred sixty".