308248 has 16 divisors (see below), whose sum is σ = 589680. Its totient is φ = 151008.

The previous prime is 308219. The next prime is 308249. The reversal of 308248 is 842803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308249) by changing a digit.

308248 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 61 + ... + 787.

It is an arithmetic number, because the mean of its divisors is an integer number (36855).

2³⁰⁸²⁴⁸ is an apocalyptic number.

It is an amenable number.

308248 is a deficient number, since it is larger than the sum of its proper divisors (281432).

308248 is a wasteful number, since it uses less digits than its factorization.

308248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 308248 is about 555.2008645526. The cubic root of 308248 is about 67.5512550805.

The spelling of 308248 in words is "three hundred eight thousand, two hundred forty-eight".