196505383 has 2 divisors, whose sum is σ = 196505384. Its totient is φ = 196505382.

The previous prime is 196505377. The next prime is 196505401. The reversal of 196505383 is 383505691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 196505383 - 2⁹ = 196504871 is a prime.

It is a super-2 number, since 2×196505383² = 77228731095953378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196505783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98252691 + 98252692.

It is an arithmetic number, because the mean of its divisors is an integer number (98252692).

Almost surely, 2^196505383 is an apocalyptic number.

196505383 is a deficient number, since it is larger than the sum of its proper divisors (1).

196505383 is an equidigital number, since it uses as much as digits as its factorization.

196505383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 196505383 is about 14018.0377728126. The cubic root of 196505383 is about 581.3774070269.

The spelling of 196505383 in words is "one hundred ninety-six million, five hundred five thousand, three hundred eighty-three".