197408768 has 48 divisors (see below), whose sum is σ = 404520480. Its totient is φ = 96256000.

The previous prime is 197408767. The next prime is 197408797. The reversal of 197408768 is 867804791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197408767) 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, 82793 + ... + 85143.

It is an arithmetic number, because the mean of its divisors is an integer number (8427510).

Almost surely, 2^197408768 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 197408768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202260240).

197408768 is an abundant number, since it is smaller than the sum of its proper divisors (207111712).

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

197408768 is an equidigital number, since it uses as much as digits as its factorization.

197408768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414 (or 2394 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 50.

The square root of 197408768 is about 14050.2230587276. The cubic root of 197408768 is about 582.2669582996.

The spelling of 197408768 in words is "one hundred ninety-seven million, four hundred eight thousand, seven hundred sixty-eight".