196957 has 4 divisors (see below), whose sum is σ = 199260. Its totient is φ = 194656.

The previous prime is 196927. The next prime is 196961. The reversal of 196957 is 759691.

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

It can be written as a sum of positive squares in 2 ways, for example, as 133956 + 63001 = 366^2 + 251^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196957 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 (196907) 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, 1018 + ... + 1195.

It is an arithmetic number, because the mean of its divisors is an integer number (49815).

2¹⁹⁶⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

196957 is a deficient number, since it is larger than the sum of its proper divisors (2303).

196957 is an equidigital number, since it uses as much as digits as its factorization.

196957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302.

The product of its digits is 17010, while the sum is 37.

The square root of 196957 is about 443.7983776446. The cubic root of 196957 is about 58.1822448329.

The spelling of 196957 in words is "one hundred ninety-six thousand, nine hundred fifty-seven".