196540311 has 16 divisors (see below), whose sum is σ = 286944768. Its totient is φ = 118670400.

The previous prime is 196540297. The next prime is 196540327. The reversal of 196540311 is 113045691.

It is not a de Polignac number, because 196540311 - 2¹⁸ = 196278167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196540811) 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, 2046 + ... + 19931.

It is an arithmetic number, because the mean of its divisors is an integer number (17934048).

Almost surely, 2^196540311 is an apocalyptic number.

196540311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

196540311 is a deficient number, since it is larger than the sum of its proper divisors (90404457).

196540311 is a wasteful number, since it uses less digits than its factorization.

196540311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22262.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 196540311 is about 14019.2835408947. The cubic root of 196540311 is about 581.4118507772.

The spelling of 196540311 in words is "one hundred ninety-six million, five hundred forty thousand, three hundred eleven".