196812983 has 2 divisors, whose sum is σ = 196812984. Its totient is φ = 196812982.

The previous prime is 196812971. The next prime is 196812989. The reversal of 196812983 is 389218691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 196812983 - 2⁸ = 196812727 is a prime.

It is a super-4 number, since 4×196812983⁴ (a number of 34 digits) contains 4444 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196812989) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98406491 + 98406492.

It is an arithmetic number, because the mean of its divisors is an integer number (98406492).

Almost surely, 2^196812983 is an apocalyptic number.

196812983 is a deficient number, since it is larger than the sum of its proper divisors (1).

196812983 is an equidigital number, since it uses as much as digits as its factorization.

196812983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 47.

The square root of 196812983 is about 14029.0050609443. The cubic root of 196812983 is about 581.6806022155.

The spelling of 196812983 in words is "one hundred ninety-six million, eight hundred twelve thousand, nine hundred eighty-three".