4494839 has 2 divisors, whose sum is σ = 4494840. Its totient is φ = 4494838.

The previous prime is 4494793. The next prime is 4494857. The reversal of 4494839 is 9384944.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4494839 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4494796 and 4494805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4494859) 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, 2247419 + 2247420.

It is an arithmetic number, because the mean of its divisors is an integer number (2247420).

Almost surely, 2^4494839 is an apocalyptic number.

4494839 is a deficient number, since it is larger than the sum of its proper divisors (1).

4494839 is an equidigital number, since it uses as much as digits as its factorization.

4494839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 41.

The square root of 4494839 is about 2120.1035352077. The cubic root of 4494839 is about 165.0332225725.

The spelling of 4494839 in words is "four million, four hundred ninety-four thousand, eight hundred thirty-nine".