304648 has 16 divisors (see below), whose sum is σ = 577980. Its totient is φ = 150528.

The previous prime is 304643. The next prime is 304651. The reversal of 304648 is 846403.

304648 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 248004 + 56644 = 498^2 + 238^2 .

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (304643) by changing a digit.

304648 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, 736 + ... + 1072.

2³⁰⁴⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

304648 is a deficient number, since it is larger than the sum of its proper divisors (273332).

304648 is a wasteful number, since it uses less digits than its factorization.

304648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 304648 is about 551.9492730315. The cubic root of 304648 is about 67.2872496704.

The spelling of 304648 in words is "three hundred four thousand, six hundred forty-eight".