308000084 has 72 divisors (see below), whose sum is σ = 692919360. Its totient is φ = 118804224.

The previous prime is 308000083. The next prime is 308000111. The reversal of 308000084 is 480000803.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308000083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74627 + ... + 78645.

It is an arithmetic number, because the mean of its divisors is an integer number (9623880).

Almost surely, 2^308000084 is an apocalyptic number.

308000084 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 308000084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346459680).

308000084 is an abundant number, since it is smaller than the sum of its proper divisors (384919276).

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

308000084 is a wasteful number, since it uses less digits than its factorization.

308000084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077 (or 4068 counting only the distinct ones).

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

The square root of 308000084 is about 17549.9311679562. The cubic root of 308000084 is about 675.3314030631.

Adding to 308000084 its reverse (480000803), we get a palindrome (788000887).

The spelling of 308000084 in words is "three hundred eight million, eighty-four", and thus it is an aban number.