305248 has 12 divisors (see below), whose sum is σ = 601020. Its totient is φ = 152608.

The previous prime is 305243. The next prime is 305267. The reversal of 305248 is 842503.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4738 + ... + 4801.

It is an arithmetic number, because the mean of its divisors is an integer number (50085).

2³⁰⁵²⁴⁸ is an apocalyptic number.

It is an amenable number.

305248 is a deficient number, since it is larger than the sum of its proper divisors (295772).

305248 is an equidigital number, since it uses as much as digits as its factorization.

305248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9549 (or 9541 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 305248 is about 552.4925338862. The cubic root of 305248 is about 67.3313944698.

The spelling of 305248 in words is "three hundred five thousand, two hundred forty-eight".