196931 has 6 divisors (see below), whose sum is σ = 229140. Its totient is φ = 168756.

The previous prime is 196927. The next prime is 196961. The reversal of 196931 is 139691.

It is not a de Polignac number, because 196931 - 2² = 196927 is a prime.

It is a super-2 number, since 2×196931² = 77563637522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 196894 and 196903.

It is not an unprimeable number, because it can be changed into a prime (196901) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1961 + ... + 2058.

It is an arithmetic number, because the mean of its divisors is an integer number (38190).

2¹⁹⁶⁹³¹ is an apocalyptic number.

196931 is a deficient number, since it is larger than the sum of its proper divisors (32209).

196931 is an equidigital number, since it uses as much as digits as its factorization.

196931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4033 (or 4026 counting only the distinct ones).

The product of its digits is 1458, while the sum is 29.

The square root of 196931 is about 443.7690840967. The cubic root of 196931 is about 58.1796845365.

The spelling of 196931 in words is "one hundred ninety-six thousand, nine hundred thirty-one".