197946408 has 192 divisors, whose sum is σ = 596920320. Its totient is φ = 54172800.

The previous prime is 197946407. The next prime is 197946409. The reversal of 197946408 is 804649791.

It is an interprime number because it is at equal distance from previous prime (197946407) and next prime (197946409).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (197946407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2954391 + ... + 2954457.

It is an arithmetic number, because the mean of its divisors is an integer number (3108960).

Almost surely, 2^197946408 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 197946408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298460160).

197946408 is an abundant number, since it is smaller than the sum of its proper divisors (398973912).

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

197946408 is a wasteful number, since it uses less digits than its factorization.

197946408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 197946408 is about 14069.3428417961. The cubic root of 197946408 is about 582.7950777682.

The spelling of 197946408 in words is "one hundred ninety-seven million, nine hundred forty-six thousand, four hundred eight".