308385 has 48 divisors (see below), whose sum is σ = 673920. Its totient is φ = 126720.

The previous prime is 308383. The next prime is 308411. The reversal of 308385 is 583803.

It is not a de Polignac number, because 308385 - 2¹ = 308383 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 308385.

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

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3421 + ... + 3509.

It is an arithmetic number, because the mean of its divisors is an integer number (14040).

2³⁰⁸³⁸⁵ is an apocalyptic number.

308385 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

308385 is an abundant number, since it is smaller than the sum of its proper divisors (365535).

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

308385 is a wasteful number, since it uses less digits than its factorization.

308385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 308385 is about 555.3242296173. The cubic root of 308385 is about 67.5612612565.

The spelling of 308385 in words is "three hundred eight thousand, three hundred eighty-five".