196394479 has 4 divisors (see below), whose sum is σ = 197124840. Its totient is φ = 195664120.

The previous prime is 196394477. The next prime is 196394491. The reversal of 196394479 is 974493691.

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

It is a cyclic number.

It is not a de Polignac number, because 196394479 - 2¹ = 196394477 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 (196394477) 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, 364777 + ... + 365314.

It is an arithmetic number, because the mean of its divisors is an integer number (49281210).

Almost surely, 2^196394479 is an apocalyptic number.

196394479 is a deficient number, since it is larger than the sum of its proper divisors (730361).

196394479 is an equidigital number, since it uses as much as digits as its factorization.

196394479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730360.

The product of its digits is 1469664, while the sum is 52.

The square root of 196394479 is about 14014.0814540233. The cubic root of 196394479 is about 581.2680135628.

The spelling of 196394479 in words is "one hundred ninety-six million, three hundred ninety-four thousand, four hundred seventy-nine".