196918044 has 12 divisors (see below), whose sum is σ = 459475464. Its totient is φ = 65639344.

The previous prime is 196918037. The next prime is 196918061. The reversal of 196918044 is 440819691.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 196917987 and 196918005.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8204907 + ... + 8204930.

It is an arithmetic number, because the mean of its divisors is an integer number (38289622).

Almost surely, 2^196918044 is an apocalyptic number.

It is an amenable number.

196918044 is an abundant number, since it is smaller than the sum of its proper divisors (262557420).

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

196918044 is a wasteful number, since it uses less digits than its factorization.

196918044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16409844 (or 16409842 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 196918044 is about 14032.7489822914. The cubic root of 196918044 is about 581.7840863691.

The spelling of 196918044 in words is "one hundred ninety-six million, nine hundred eighteen thousand, forty-four".