197953548 has 48 divisors (see below), whose sum is σ = 519058176. Its totient is φ = 58259520.

The previous prime is 197953543. The next prime is 197953549. The reversal of 197953548 is 845359791.

It is a self number, because there is not a number n which added to its sum of digits gives 197953548.

It is not an unprimeable number, because it can be changed into a prime (197953543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23998 + ... + 31173.

It is an arithmetic number, because the mean of its divisors is an integer number (10813712).

Almost surely, 2^197953548 is an apocalyptic number.

It is an amenable number.

197953548 is an abundant number, since it is smaller than the sum of its proper divisors (321104628).

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

197953548 is a wasteful number, since it uses less digits than its factorization.

197953548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55214 (or 55212 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 51.

The square root of 197953548 is about 14069.5965827027. The cubic root of 197953548 is about 582.8020848951.

The spelling of 197953548 in words is "one hundred ninety-seven million, nine hundred fifty-three thousand, five hundred forty-eight".