196411409 has 4 divisors (see below), whose sum is σ = 196682304. Its totient is φ = 196140516.

The previous prime is 196411373. The next prime is 196411433. The reversal of 196411409 is 904114691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 196411409 - 2⁸ = 196411153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196411499) 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, 134357 + ... + 135810.

It is an arithmetic number, because the mean of its divisors is an integer number (49170576).

Almost surely, 2^196411409 is an apocalyptic number.

It is an amenable number.

196411409 is a deficient number, since it is larger than the sum of its proper divisors (270895).

196411409 is an equidigital number, since it uses as much as digits as its factorization.

196411409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270894.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 196411409 is about 14014.6854763138. The cubic root of 196411409 is about 581.2847156357.

The spelling of 196411409 in words is "one hundred ninety-six million, four hundred eleven thousand, four hundred nine".