196491442 has 16 divisors (see below), whose sum is σ = 337119552. Its totient is φ = 84141360.

The previous prime is 196491439. The next prime is 196491509. The reversal of 196491442 is 244194691.

It is a junction number, because it is equal to n+sod(n) for n = 196491395 and 196491404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14253 + ... + 24415.

It is an arithmetic number, because the mean of its divisors is an integer number (21069972).

Almost surely, 2^196491442 is an apocalyptic number.

196491442 is a deficient number, since it is larger than the sum of its proper divisors (140628110).

196491442 is a wasteful number, since it uses less digits than its factorization.

196491442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11553.

The product of its digits is 62208, while the sum is 40.

The square root of 196491442 is about 14017.5405118016. The cubic root of 196491442 is about 581.3636581684.

The spelling of 196491442 in words is "one hundred ninety-six million, four hundred ninety-one thousand, four hundred forty-two".