4194739 has 2 divisors, whose sum is σ = 4194740. Its totient is φ = 4194738.

The previous prime is 4194719. The next prime is 4194761. The reversal of 4194739 is 9374914.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4194739 - 2¹³ = 4186547 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4³ + 1 + 9 + 4¹¹ + 7³ + 3² + 9 .

It is a junction number, because it is equal to n+sod(n) for n = 4194698 and 4194707.

It is not a weakly prime, because it can be changed into another prime (4194719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2097369 + 2097370.

It is an arithmetic number, because the mean of its divisors is an integer number (2097370).

Almost surely, 2^4194739 is an apocalyptic number.

4194739 is a deficient number, since it is larger than the sum of its proper divisors (1).

4194739 is an equidigital number, since it uses as much as digits as its factorization.

4194739 is an odious number, because the sum of its binary digits is odd.

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

The square root of 4194739 is about 2048.1061984184. The cubic root of 4194739 is about 161.2754694060.

The spelling of 4194739 in words is "four million, one hundred ninety-four thousand, seven hundred thirty-nine".