196390311 has 16 divisors (see below), whose sum is σ = 282522240. Its totient is φ = 120630240.

The previous prime is 196390309. The next prime is 196390319. The reversal of 196390311 is 113093691.

It is a happy number.

It is not a de Polignac number, because 196390311 - 2¹ = 196390309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196390319) 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 15 ways as a sum of consecutive naturals, for example, 17860 + ... + 26678.

It is an arithmetic number, because the mean of its divisors is an integer number (17657640).

Almost surely, 2^196390311 is an apocalyptic number.

196390311 is a deficient number, since it is larger than the sum of its proper divisors (86131929).

196390311 is a wasteful number, since it uses less digits than its factorization.

196390311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9406.

The product of its (nonzero) digits is 4374, while the sum is 33.

The square root of 196390311 is about 14013.9327456642. The cubic root of 196390311 is about 581.2639015290.

The spelling of 196390311 in words is "one hundred ninety-six million, three hundred ninety thousand, three hundred eleven".