306448 has 20 divisors (see below), whose sum is σ = 602640. Its totient is φ = 150944.

The previous prime is 306437. The next prime is 306457. The reversal of 306448 is 844603.

306448 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1623 + ... + 1801.

It is an arithmetic number, because the mean of its divisors is an integer number (30132).

2³⁰⁶⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

306448 is a deficient number, since it is larger than the sum of its proper divisors (296192).

306448 is a wasteful number, since it uses less digits than its factorization.

306448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 288 counting only the distinct ones).

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

The square root of 306448 is about 553.5774561884. The cubic root of 306448 is about 67.4195108275.

The spelling of 306448 in words is "three hundred six thousand, four hundred forty-eight".