196944378 has 16 divisors (see below), whose sum is σ = 394039776. Its totient is φ = 65622960.

The previous prime is 196944323. The next prime is 196944379. The reversal of 196944378 is 873449691.

196944378 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 196944378.

It is not an unprimeable number, because it can be changed into a prime (196944379) 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 7 ways as a sum of consecutive naturals, for example, 17700 + ... + 26592.

It is an arithmetic number, because the mean of its divisors is an integer number (24627486).

Almost surely, 2^196944378 is an apocalyptic number.

196944378 is an abundant number, since it is smaller than the sum of its proper divisors (197095398).

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

196944378 is a wasteful number, since it uses less digits than its factorization.

196944378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12589.

The product of its digits is 1306368, while the sum is 51.

The square root of 196944378 is about 14033.6872560279. The cubic root of 196944378 is about 581.8100193561.

The spelling of 196944378 in words is "one hundred ninety-six million, nine hundred forty-four thousand, three hundred seventy-eight".