196779044 has 24 divisors (see below), whose sum is σ = 429336768. Its totient is φ = 76667040.

The previous prime is 196779001. The next prime is 196779047. The reversal of 196779044 is 440977691.

It is a happy number.

196779044 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 self number, because there is not a number n which added to its sum of digits gives 196779044.

It is not an unprimeable number, because it can be changed into a prime (196779047) 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, 319139 + ... + 319754.

It is an arithmetic number, because the mean of its divisors is an integer number (17889032).

Almost surely, 2^196779044 is an apocalyptic number.

196779044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

196779044 is an abundant number, since it is smaller than the sum of its proper divisors (232557724).

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

196779044 is a wasteful number, since it uses less digits than its factorization.

196779044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638915 (or 638913 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 196779044 is about 14027.7954076897. The cubic root of 196779044 is about 581.6471647316.

The spelling of 196779044 in words is "one hundred ninety-six million, seven hundred seventy-nine thousand, forty-four".