196183237 has 4 divisors (see below), whose sum is σ = 200968236. Its totient is φ = 191398240.

The previous prime is 196183223. The next prime is 196183279. The reversal of 196183237 is 732381691.

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 7230721 + 188952516 = 2689^2 + 13746^2 .

It is a cyclic number.

It is not a de Polignac number, because 196183237 - 2²⁷ = 61965509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 196183237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196183297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2392438 + ... + 2392519.

It is an arithmetic number, because the mean of its divisors is an integer number (50242059).

Almost surely, 2^196183237 is an apocalyptic number.

It is an amenable number.

196183237 is a deficient number, since it is larger than the sum of its proper divisors (4784999).

196183237 is an equidigital number, since it uses as much as digits as its factorization.

196183237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4784998.

The product of its digits is 54432, while the sum is 40.

The square root of 196183237 is about 14006.5426497762. The cubic root of 196183237 is about 581.0595347428.

The spelling of 196183237 in words is "one hundred ninety-six million, one hundred eighty-three thousand, two hundred thirty-seven".