196890044 has 12 divisors (see below), whose sum is σ = 371062104. Its totient is φ = 90872304.

The previous prime is 196890037. The next prime is 196890047. The reversal of 196890044 is 440098691.

It is a junction number, because it is equal to n+sod(n) for n = 196889983 and 196890010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196890047) 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 3 ways as a sum of consecutive naturals, for example, 1893122 + ... + 1893225.

It is an arithmetic number, because the mean of its divisors is an integer number (30921842).

Almost surely, 2^196890044 is an apocalyptic number.

It is an amenable number.

196890044 is a deficient number, since it is larger than the sum of its proper divisors (174172060).

196890044 is a wasteful number, since it uses less digits than its factorization.

196890044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3786364 (or 3786362 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 196890044 is about 14031.7512805779. The cubic root of 196890044 is about 581.7565102156.

The spelling of 196890044 in words is "one hundred ninety-six million, eight hundred ninety thousand, forty-four".