194034437 has 2 divisors, whose sum is σ = 194034438. Its totient is φ = 194034436.

The previous prime is 194034397. The next prime is 194034457. The reversal of 194034437 is 734430491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137499076 + 56535361 = 11726^2 + 7519^2 .

It is a cyclic number.

It is not a de Polignac number, because 194034437 - 2¹⁴ = 194018053 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 194034397 and 194034406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194034457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97017218 + 97017219.

It is an arithmetic number, because the mean of its divisors is an integer number (97017219).

Almost surely, 2^194034437 is an apocalyptic number.

It is an amenable number.

194034437 is a deficient number, since it is larger than the sum of its proper divisors (1).

194034437 is an equidigital number, since it uses as much as digits as its factorization.

194034437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 194034437 is about 13929.6244385841. The cubic root of 194034437 is about 578.9302885179.

The spelling of 194034437 in words is "one hundred ninety-four million, thirty-four thousand, four hundred thirty-seven".