304738 has 8 divisors (see below), whose sum is σ = 522432. Its totient is φ = 130596.

The previous prime is 304729. The next prime is 304739. The reversal of 304738 is 837403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (304739) by changing a digit.

304738 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10870 + ... + 10897.

It is an arithmetic number, because the mean of its divisors is an integer number (65304).

2³⁰⁴⁷³⁸ is an apocalyptic number.

304738 is a deficient number, since it is larger than the sum of its proper divisors (217694).

304738 is a wasteful number, since it uses less digits than its factorization.

304738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21776.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 304738 is about 552.0307962424. The cubic root of 304738 is about 67.2938750831.

The spelling of 304738 in words is "three hundred four thousand, seven hundred thirty-eight".