198862560 has 192 divisors, whose sum is σ = 749770560. Its totient is φ = 48936960.

The previous prime is 198862537. The next prime is 198862571. The reversal of 198862560 is 65268891.

198862560 is a `hidden beast` number, since 1 + 9 + 8 + 86 + 2 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54390 + ... + 57930.

It is an arithmetic number, because the mean of its divisors is an integer number (3905055).

Almost surely, 2^198862560 is an apocalyptic number.

198862560 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 198862560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374885280).

198862560 is an abundant number, since it is smaller than the sum of its proper divisors (550908000).

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

198862560 is a wasteful number, since it uses less digits than its factorization.

198862560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578 (or 3564 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 198862560 is about 14101.8637066169. The cubic root of 198862560 is about 583.6928077284.

The spelling of 198862560 in words is "one hundred ninety-eight million, eight hundred sixty-two thousand, five hundred sixty".