196912908 has 18 divisors (see below), whose sum is σ = 497752164. Its totient is φ = 65637624.

The previous prime is 196912907. The next prime is 196912943. The reversal of 196912908 is 809219691.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) 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 (196912907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2734866 + ... + 2734937.

It is an arithmetic number, because the mean of its divisors is an integer number (27652898).

Almost surely, 2^196912908 is an apocalyptic number.

196912908 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

196912908 is an abundant number, since it is smaller than the sum of its proper divisors (300839256).

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

196912908 is a wasteful number, since it uses less digits than its factorization.

196912908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5469813 (or 5469808 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The square root of 196912908 is about 14032.5659806038. The cubic root of 196912908 is about 581.7790283104.

The spelling of 196912908 in words is "one hundred ninety-six million, nine hundred twelve thousand, nine hundred eight".