196720349 has 24 divisors (see below), whose sum is σ = 234748800. Its totient is φ = 164324160.

The previous prime is 196720331. The next prime is 196720387. The reversal of 196720349 is 943027691.

It is not a de Polignac number, because 196720349 - 2¹⁶ = 196654813 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 (196720049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 344234 + ... + 344804.

It is an arithmetic number, because the mean of its divisors is an integer number (9781200).

Almost surely, 2^196720349 is an apocalyptic number.

It is an amenable number.

196720349 is a deficient number, since it is larger than the sum of its proper divisors (38028451).

196720349 is an equidigital number, since it uses as much as digits as its factorization.

196720349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 196720349 is about 14025.7031552789. The cubic root of 196720349 is about 581.5893279915.

The spelling of 196720349 in words is "one hundred ninety-six million, seven hundred twenty thousand, three hundred forty-nine".