196049878 has 16 divisors (see below), whose sum is σ = 301178880. Its totient is φ = 95668776.

The previous prime is 196049873. The next prime is 196049881. The reversal of 196049878 is 878940691.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196049873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32875 + ... + 38377.

It is an arithmetic number, because the mean of its divisors is an integer number (18823680).

Almost surely, 2^196049878 is an apocalyptic number.

196049878 is a deficient number, since it is larger than the sum of its proper divisors (105129002).

196049878 is a wasteful number, since it uses less digits than its factorization.

196049878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 196049878 is about 14001.7812438275. The cubic root of 196049878 is about 580.9278430913.

The spelling of 196049878 in words is "one hundred ninety-six million, forty-nine thousand, eight hundred seventy-eight".