196538359 has 2 divisors, whose sum is σ = 196538360. Its totient is φ = 196538358.

The previous prime is 196538327. The next prime is 196538431. The reversal of 196538359 is 953835691.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 196538359 - 2⁵ = 196538327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196538159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98269179 + 98269180.

It is an arithmetic number, because the mean of its divisors is an integer number (98269180).

Almost surely, 2^196538359 is an apocalyptic number.

196538359 is a deficient number, since it is larger than the sum of its proper divisors (1).

196538359 is an equidigital number, since it uses as much as digits as its factorization.

196538359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 874800, while the sum is 49.

The square root of 196538359 is about 14019.2139223282. The cubic root of 196538359 is about 581.4099259478.

The spelling of 196538359 in words is "one hundred ninety-six million, five hundred thirty-eight thousand, three hundred fifty-nine".