196835437 has 2 divisors, whose sum is σ = 196835438. Its totient is φ = 196835436.

The previous prime is 196835423. The next prime is 196835473. The reversal of 196835437 is 734538691.

Together with next prime (196835473) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185885956 + 10949481 = 13634^2 + 3309^2 .

It is a cyclic number.

It is not a de Polignac number, because 196835437 - 2¹⁹ = 196311149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196835417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98417718 + 98417719.

It is an arithmetic number, because the mean of its divisors is an integer number (98417719).

Almost surely, 2^196835437 is an apocalyptic number.

It is an amenable number.

196835437 is a deficient number, since it is larger than the sum of its proper divisors (1).

196835437 is an equidigital number, since it uses as much as digits as its factorization.

196835437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 46.

The square root of 196835437 is about 14029.8053086990. The cubic root of 196835437 is about 581.7027223002.

The spelling of 196835437 in words is "one hundred ninety-six million, eight hundred thirty-five thousand, four hundred thirty-seven".