197603328 has 104 divisors (see below), whose sum is σ = 567865648. Its totient is φ = 60751872.

The previous prime is 197603321. The next prime is 197603377. The reversal of 197603328 is 823306791.

It is a tau number, because it is divible by the number of its divisors (104).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (197603321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159126 + ... + 160362.

Almost surely, 2^197603328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197603328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283932824).

197603328 is an abundant number, since it is smaller than the sum of its proper divisors (370262320).

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

197603328 is a wasteful number, since it uses less digits than its factorization.

197603328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277 (or 1255 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 197603328 is about 14057.1450871078. The cubic root of 197603328 is about 582.4581836167.

The spelling of 197603328 in words is "one hundred ninety-seven million, six hundred three thousand, three hundred twenty-eight".