197790912 has 336 divisors, whose sum is σ = 684702720. Its totient is φ = 53913600.

The previous prime is 197790911. The next prime is 197790913. The reversal of 197790912 is 219097791.

It is an interprime number because it is at equal distance from previous prime (197790911) and next prime (197790913).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197790911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3731878 + ... + 3731930.

Almost surely, 2^197790912 is an apocalyptic number.

197790912 is a gapful number since it is divisible by the number (12) 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 197790912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342351360).

197790912 is an abundant number, since it is smaller than the sum of its proper divisors (486911808).

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

197790912 is a wasteful number, since it uses less digits than its factorization.

197790912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 45.

The square root of 197790912 is about 14063.8156984511. The cubic root of 197790912 is about 582.6424336863.

The spelling of 197790912 in words is "one hundred ninety-seven million, seven hundred ninety thousand, nine hundred twelve".