197439606 has 160 divisors (see below), whose sum is σ = 556174080. Its totient is φ = 50963904.

The previous prime is 197439577. The next prime is 197439637. The reversal of 197439606 is 606934791.

197439606 is a `hidden beast` number, since 1 + 9 + 7 + 4 + 39 + 606 = 666.

197439606 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 869665 + ... + 869891.

It is an arithmetic number, because the mean of its divisors is an integer number (3476088).

Almost surely, 2^197439606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197439606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278087040).

197439606 is an abundant number, since it is smaller than the sum of its proper divisors (358734474).

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

197439606 is a wasteful number, since it uses less digits than its factorization.

197439606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 197439606 is about 14051.3204361725. The cubic root of 197439606 is about 582.2972761248.

The spelling of 197439606 in words is "one hundred ninety-seven million, four hundred thirty-nine thousand, six hundred six".