196928351 has 4 divisors (see below), whose sum is σ = 197677392. Its totient is φ = 196179312.

The previous prime is 196928341. The next prime is 196928387. The reversal of 196928351 is 153829691.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 153829691 = 53 ⋅2902447.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196928351 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 (196928341) 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, 374126 + ... + 374651.

It is an arithmetic number, because the mean of its divisors is an integer number (49419348).

Almost surely, 2^196928351 is an apocalyptic number.

196928351 is a deficient number, since it is larger than the sum of its proper divisors (749041).

196928351 is an equidigital number, since it uses as much as digits as its factorization.

196928351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749040.

The product of its digits is 116640, while the sum is 44.

The square root of 196928351 is about 14033.1162255573. The cubic root of 196928351 is about 581.7942366899.

The spelling of 196928351 in words is "one hundred ninety-six million, nine hundred twenty-eight thousand, three hundred fifty-one".