197883648 has 108 divisors (see below), whose sum is σ = 591864728. Its totient is φ = 65940480.

The previous prime is 197883619. The next prime is 197883667. The reversal of 197883648 is 846388791.

197883648 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 (108).

It is a super-3 number, since 3×197883648³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 197883594 and 197883603.

It is a congruent number.

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, 60618 + ... + 63798.

Almost surely, 2^197883648 is an apocalyptic number.

197883648 is a gapful number since it is divisible by the number (18) 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 197883648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295932364).

197883648 is an abundant number, since it is smaller than the sum of its proper divisors (393981080).

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

197883648 is an frugal number, since it uses more digits than its factorization.

197883648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212 (or 3186 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 197883648 is about 14067.1122836210. The cubic root of 197883648 is about 582.7334784601.

It can be divided in two parts, 19788 and 3648, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 197883648 in words is "one hundred ninety-seven million, eight hundred eighty-three thousand, six hundred forty-eight".