197641320 has 192 divisors, whose sum is σ = 649857600. Its totient is φ = 48046080.

The previous prime is 197641319. The next prime is 197641387. The reversal of 197641320 is 23146791.

197641320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1421811 + ... + 1421949.

It is an arithmetic number, because the mean of its divisors is an integer number (3384675).

Almost surely, 2^197641320 is an apocalyptic number.

197641320 is a gapful number since it is divisible by the number (10) 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 197641320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324928800).

197641320 is an abundant number, since it is smaller than the sum of its proper divisors (452216280).

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

197641320 is a wasteful number, since it uses less digits than its factorization.

197641320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 197641320 is about 14058.4963634096. The cubic root of 197641320 is about 582.4955097986.

The spelling of 197641320 in words is "one hundred ninety-seven million, six hundred forty-one thousand, three hundred twenty".