308000 has 96 divisors (see below), whose sum is σ = 943488. Its totient is φ = 96000.

The previous prime is 307969. The next prime is 308003. The reversal of 308000 is 803.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is not an unprimeable number, because it can be changed into a prime (308003) 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 15 ways as a sum of consecutive naturals, for example, 27995 + ... + 28005.

It is an arithmetic number, because the mean of its divisors is an integer number (9828).

2³⁰⁸⁰⁰⁰ 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 308000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471744).

308000 is an abundant number, since it is smaller than the sum of its proper divisors (635488).

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

308000 is a wasteful number, since it uses less digits than its factorization.

308000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43 (or 25 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 308000 is about 554.9774770205. The cubic root of 308000 is about 67.5331341669.

Adding to 308000 its reverse (803), we get a palindrome (308803).

The spelling of 308000 in words is "three hundred eight thousand".