196427405 has 8 divisors (see below), whose sum is σ = 236002200. Its totient is φ = 156949056.

The previous prime is 196427389. The next prime is 196427423. The reversal of 196427405 is 504724691.

It can be written as a sum of positive squares in 4 ways, for example, as 343396 + 196084009 = 586^2 + 14003^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196427405 - 2⁴ = 196427389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19550 + ... + 27839.

It is an arithmetic number, because the mean of its divisors is an integer number (29500275).

Almost surely, 2^196427405 is an apocalyptic number.

It is an amenable number.

196427405 is a deficient number, since it is larger than the sum of its proper divisors (39574795).

196427405 is an equidigital number, since it uses as much as digits as its factorization.

196427405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48223.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 196427405 is about 14015.2561517797. The cubic root of 196427405 is about 581.3004954012.

The spelling of 196427405 in words is "one hundred ninety-six million, four hundred twenty-seven thousand, four hundred five".