196209648 has 80 divisors (see below), whose sum is σ = 596345760. Its totient is φ = 61553664.

The previous prime is 196209647. The next prime is 196209661. The reversal of 196209648 is 846902691.

It is a happy number.

196209648 is a `hidden beast` number, since 19 + 620 + 9 + 6 + 4 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196209647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6015 + ... + 20702.

It is an arithmetic number, because the mean of its divisors is an integer number (7454322).

Almost surely, 2^196209648 is an apocalyptic number.

196209648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

196209648 is an abundant number, since it is smaller than the sum of its proper divisors (400136112).

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

196209648 is a wasteful number, since it uses less digits than its factorization.

196209648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26751 (or 26739 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 196209648 is about 14007.4854274420. The cubic root of 196209648 is about 581.0856084532.

The spelling of 196209648 in words is "one hundred ninety-six million, two hundred nine thousand, six hundred forty-eight".