196983451 has 4 divisors (see below), whose sum is σ = 225123952. Its totient is φ = 168842952.

The previous prime is 196983427. The next prime is 196983463. The reversal of 196983451 is 154389691.

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 196983451 - 2⁹ = 196982939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196983401) 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 3 ways as a sum of consecutive naturals, for example, 14070240 + ... + 14070253.

It is an arithmetic number, because the mean of its divisors is an integer number (56280988).

Almost surely, 2^196983451 is an apocalyptic number.

196983451 is a deficient number, since it is larger than the sum of its proper divisors (28140501).

196983451 is an equidigital number, since it uses as much as digits as its factorization.

196983451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28140500.

The product of its digits is 233280, while the sum is 46.

The square root of 196983451 is about 14035.0793015216. The cubic root of 196983451 is about 581.8484930949.

The spelling of 196983451 in words is "one hundred ninety-six million, nine hundred eighty-three thousand, four hundred fifty-one".