197946648 has 48 divisors (see below), whose sum is σ = 559419120. Its totient is φ = 63112896.

The previous prime is 197946641. The next prime is 197946653. The reversal of 197946648 is 846649791.

197946648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 197946594 and 197946603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197946641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58111 + ... + 61422.

It is an arithmetic number, because the mean of its divisors is an integer number (11654565).

Almost surely, 2^197946648 is an apocalyptic number.

197946648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

197946648 is an abundant number, since it is smaller than the sum of its proper divisors (361472472).

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

197946648 is a wasteful number, since it uses less digits than its factorization.

197946648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119568 (or 119561 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 197946648 is about 14069.3513709766. The cubic root of 197946648 is about 582.7953133046.

The spelling of 197946648 in words is "one hundred ninety-seven million, nine hundred forty-six thousand, six hundred forty-eight".