304739 has 2 divisors, whose sum is σ = 304740. Its totient is φ = 304738.

The previous prime is 304729. The next prime is 304751. The reversal of 304739 is 937403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 304739 - 2⁴ = 304723 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 304739.

It is not a weakly prime, because it can be changed into another prime (304709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152369 + 152370.

It is an arithmetic number, because the mean of its divisors is an integer number (152370).

2³⁰⁴⁷³⁹ is an apocalyptic number.

304739 is a deficient number, since it is larger than the sum of its proper divisors (1).

304739 is an equidigital number, since it uses as much as digits as its factorization.

304739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 304739 is about 552.0317019882. The cubic root of 304739 is about 67.2939486915.

The spelling of 304739 in words is "three hundred four thousand, seven hundred thirty-nine".