198001548 has 36 divisors (see below), whose sum is σ = 503062560. Its totient is φ = 65663136.

The previous prime is 198001537. The next prime is 198001561. The reversal of 198001548 is 845100891.

198001548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×198001548² = 78409226020792608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6868 + ... + 21051.

It is an arithmetic number, because the mean of its divisors is an integer number (13973960).

Almost surely, 2^198001548 is an apocalyptic number.

198001548 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

198001548 is an abundant number, since it is smaller than the sum of its proper divisors (305061012).

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

198001548 is a wasteful number, since it uses less digits than its factorization.

198001548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28126 (or 28121 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 198001548 is about 14071.3022851476. The cubic root of 198001548 is about 582.8491872575.

The spelling of 198001548 in words is "one hundred ninety-eight million, one thousand, five hundred forty-eight".