196849405 has 16 divisors (see below), whose sum is σ = 254721600. Its totient is φ = 145549440.

The previous prime is 196849403. The next prime is 196849421. The reversal of 196849405 is 504948691.

It is a happy number.

It is not a de Polignac number, because 196849405 - 2¹ = 196849403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196849403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21375 + ... + 29164.

It is an arithmetic number, because the mean of its divisors is an integer number (15920100).

Almost surely, 2^196849405 is an apocalyptic number.

It is an amenable number.

196849405 is a deficient number, since it is larger than the sum of its proper divisors (57872195).

196849405 is a wasteful number, since it uses less digits than its factorization.

196849405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50604.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 196849405 is about 14030.3030972249. The cubic root of 196849405 is about 581.7164817322.

The spelling of 196849405 in words is "one hundred ninety-six million, eight hundred forty-nine thousand, four hundred five".