197794328 has 16 divisors (see below), whose sum is σ = 371245680. Its totient is φ = 98795488.

The previous prime is 197794327. The next prime is 197794361. The reversal of 197794328 is 823497791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197794327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4100 + ... + 20307.

It is an arithmetic number, because the mean of its divisors is an integer number (23202855).

Almost surely, 2^197794328 is an apocalyptic number.

It is an amenable number.

197794328 is a deficient number, since it is larger than the sum of its proper divisors (173451352).

197794328 is a wasteful number, since it uses less digits than its factorization.

197794328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25426 (or 25422 counting only the distinct ones).

The product of its digits is 762048, while the sum is 50.

The square root of 197794328 is about 14063.9371443419. The cubic root of 197794328 is about 582.6457878935.

The spelling of 197794328 in words is "one hundred ninety-seven million, seven hundred ninety-four thousand, three hundred twenty-eight".