4194397 has 2 divisors, whose sum is σ = 4194398. Its totient is φ = 4194396.

The previous prime is 4194389. The next prime is 4194403. The reversal of 4194397 is 7934914.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4186116 + 8281 = 2046^2 + 91^2 .

It is a cyclic number.

It is not a de Polignac number, because 4194397 - 2³ = 4194389 is a prime.

It is a d-powerful number, because it can be written as 4³ + 1 + 9 + 4¹¹ + 3 + 9 + 7 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4594397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2097198 + 2097199.

It is an arithmetic number, because the mean of its divisors is an integer number (2097199).

Almost surely, 2^4194397 is an apocalyptic number.

It is an amenable number.

4194397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4194397 is an equidigital number, since it uses as much as digits as its factorization.

4194397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 37.

The square root of 4194397 is about 2048.0227049523. The cubic root of 4194397 is about 161.2710863196.

The spelling of 4194397 in words is "four million, one hundred ninety-four thousand, three hundred ninety-seven".