196331871 has 4 divisors (see below), whose sum is σ = 261775832. Its totient is φ = 130887912.

The previous prime is 196331869. The next prime is 196331923. The reversal of 196331871 is 178133691.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 196331871 - 2¹ = 196331869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196331071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32721976 + ... + 32721981.

It is an arithmetic number, because the mean of its divisors is an integer number (65443958).

Almost surely, 2^196331871 is an apocalyptic number.

196331871 is a deficient number, since it is larger than the sum of its proper divisors (65443961).

196331871 is an equidigital number, since it uses as much as digits as its factorization.

196331871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65443960.

The product of its digits is 27216, while the sum is 39.

The square root of 196331871 is about 14011.8475227216. The cubic root of 196331871 is about 581.2062401094.

The spelling of 196331871 in words is "one hundred ninety-six million, three hundred thirty-one thousand, eight hundred seventy-one".