308384 has 24 divisors (see below), whose sum is σ = 635040. Its totient is φ = 147136.

The previous prime is 308383. The next prime is 308411. The reversal of 308384 is 483803.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 308384.

It is not an unprimeable number, because it can be changed into a prime (308383) by changing a digit.

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, 527 + ... + 945.

It is an arithmetic number, because the mean of its divisors is an integer number (26460).

2³⁰⁸³⁸⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 308384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317520).

308384 is an abundant number, since it is smaller than the sum of its proper divisors (326656).

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

308384 is a wasteful number, since it uses less digits than its factorization.

308384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 308384 is about 555.3233292416. The cubic root of 308384 is about 67.5611882294.

The spelling of 308384 in words is "three hundred eight thousand, three hundred eighty-four".