198648480 has 96 divisors (see below), whose sum is σ = 627709824. Its totient is φ = 52806656.

The previous prime is 198648479. The next prime is 198648487. The reversal of 198648480 is 84846891.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×198648480² = 78922437212620800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (198648487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266989 + ... + 267731.

It is an arithmetic number, because the mean of its divisors is an integer number (6538644).

Almost surely, 2^198648480 is an apocalyptic number.

198648480 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 198648480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313854912).

198648480 is an abundant number, since it is smaller than the sum of its proper divisors (429061344).

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

198648480 is a wasteful number, since it uses less digits than its factorization.

198648480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318 (or 1310 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 48.

The square root of 198648480 is about 14094.2711766164. The cubic root of 198648480 is about 583.4832797295.

The spelling of 198648480 in words is "one hundred ninety-eight million, six hundred forty-eight thousand, four hundred eighty".