196005437 has 2 divisors, whose sum is σ = 196005438. Its totient is φ = 196005436.

The previous prime is 196005401. The next prime is 196005499. The reversal of 196005437 is 734500691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130622041 + 65383396 = 11429^2 + 8086^2 .

It is a cyclic number.

It is not a de Polignac number, because 196005437 - 2⁶ = 196005373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 196005397 and 196005406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196002437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98002718 + 98002719.

It is an arithmetic number, because the mean of its divisors is an integer number (98002719).

Almost surely, 2^196005437 is an apocalyptic number.

It is an amenable number.

196005437 is a deficient number, since it is larger than the sum of its proper divisors (1).

196005437 is an equidigital number, since it uses as much as digits as its factorization.

196005437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 196005437 is about 14000.1941772248. The cubic root of 196005437 is about 580.8839444577.

The spelling of 196005437 in words is "one hundred ninety-six million, five thousand, four hundred thirty-seven".