304713 has 6 divisors (see below), whose sum is σ = 440154. Its totient is φ = 203136.

The previous prime is 304709. The next prime is 304723. The reversal of 304713 is 317403.

It can be written as a sum of positive squares in only one way, i.e., 304704 + 9 = 552^2 + 3^2 .

It is not a de Polignac number, because 304713 - 2² = 304709 is a prime.

It is not an unprimeable number, because it can be changed into a prime (304723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16920 + ... + 16937.

It is an arithmetic number, because the mean of its divisors is an integer number (73359).

2³⁰⁴⁷¹³ is an apocalyptic number.

It is an amenable number.

304713 is a deficient number, since it is larger than the sum of its proper divisors (135441).

304713 is a wasteful number, since it uses less digits than its factorization.

304713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33863 (or 33860 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 304713 is about 552.0081521137. The cubic root of 304713 is about 67.2920348216.

The spelling of 304713 in words is "three hundred four thousand, seven hundred thirteen".