308048 has 20 divisors (see below), whose sum is σ = 643188. Its totient is φ = 142080.

The previous prime is 308041. The next prime is 308051. The reversal of 308048 is 840803.

It can be written as a sum of positive squares in 2 ways, for example, as 85264 + 222784 = 292^2 + 472^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533 + ... + 948.

2³⁰⁸⁰⁴⁸ is an apocalyptic number.

It is an amenable number.

308048 is an abundant number, since it is smaller than the sum of its proper divisors (335140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

308048 is a wasteful number, since it uses less digits than its factorization.

308048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502 (or 1496 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 308048 is about 555.0207203339. The cubic root of 308048 is about 67.5366421995.

Subtracting from 308048 its sum of digits (23), we obtain a square (308025 = 555²).

The spelling of 308048 in words is "three hundred eight thousand, forty-eight".