196383691 has 4 divisors (see below), whose sum is σ = 224438512. Its totient is φ = 168328872.

The previous prime is 196383689. The next prime is 196383701.

196383691 is nontrivially palindromic in base 10.

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 196383691 - 2¹ = 196383689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196383641) 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, 14027400 + ... + 14027413.

It is an arithmetic number, because the mean of its divisors is an integer number (56109628).

Almost surely, 2^196383691 is an apocalyptic number.

196383691 is a deficient number, since it is larger than the sum of its proper divisors (28054821).

196383691 is an equidigital number, since it uses as much as digits as its factorization.

196383691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28054820.

The product of its digits is 209952, while the sum is 46.

The square root of 196383691 is about 14013.6965501612. The cubic root of 196383691 is about 581.2573703000.

The spelling of 196383691 in words is "one hundred ninety-six million, three hundred eighty-three thousand, six hundred ninety-one".