197009712 has 160 divisors (see below), whose sum is σ = 598056960. Its totient is φ = 62000640.

The previous prime is 197009707. The next prime is 197009767. The reversal of 197009712 is 217900791.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 629268 + ... + 629580.

It is an arithmetic number, because the mean of its divisors is an integer number (3737856).

Almost surely, 2^197009712 is an apocalyptic number.

197009712 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 197009712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299028480).

197009712 is an abundant number, since it is smaller than the sum of its proper divisors (401047248).

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

197009712 is a wasteful number, since it uses less digits than its factorization.

197009712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 197009712 is about 14036.0148190289. The cubic root of 197009712 is about 581.8743484721.

The spelling of 197009712 in words is "one hundred ninety-seven million, nine thousand, seven hundred twelve".