196404293 has 4 divisors (see below), whose sum is σ = 196455948. Its totient is φ = 196352640.

The previous prime is 196404289. The next prime is 196404317. The reversal of 196404293 is 392404691.

196404293 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 161747524 + 34656769 = 12718^2 + 5887^2 .

It is a cyclic number.

It is not a de Polignac number, because 196404293 - 2² = 196404289 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 (196404203) 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, 19628 + ... + 27893.

It is an arithmetic number, because the mean of its divisors is an integer number (49113987).

Almost surely, 2^196404293 is an apocalyptic number.

It is an amenable number.

196404293 is a deficient number, since it is larger than the sum of its proper divisors (51655).

196404293 is an equidigital number, since it uses as much as digits as its factorization.

196404293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51654.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 196404293 is about 14014.4315974641. The cubic root of 196404293 is about 581.2776955547.

The spelling of 196404293 in words is "one hundred ninety-six million, four hundred four thousand, two hundred ninety-three".