308023200 has 216 divisors, whose sum is σ = 1096804800. Its totient is φ = 81338880.

The previous prime is 308023189. The next prime is 308023253. The reversal of 308023200 is 2320803.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1288681 + ... + 1288919.

It is an arithmetic number, because the mean of its divisors is an integer number (5077800).

Almost surely, 2^308023200 is an apocalyptic number.

308023200 is a gapful number since it is divisible by the number (30) 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 308023200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548402400).

308023200 is an abundant number, since it is smaller than the sum of its proper divisors (788781600).

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

308023200 is a wasteful number, since it uses less digits than its factorization.

308023200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 308023200 is about 17550.5897336813. The cubic root of 308023200 is about 675.3482976150.

The spelling of 308023200 in words is "three hundred eight million, twenty-three thousand, two hundred".