238805280 has 384 divisors, whose sum is σ = 979776000. Its totient is φ = 53194752.

The previous prime is 238805267. The next prime is 238805291. The reversal of 238805280 is 82508832.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1602646 + ... + 1602794.

It is an arithmetic number, because the mean of its divisors is an integer number (2551500).

Almost surely, 2^238805280 is an apocalyptic number.

238805280 is a gapful number since it is divisible by the number (20) 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 238805280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (489888000).

238805280 is an abundant number, since it is smaller than the sum of its proper divisors (740970720).

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

238805280 is a wasteful number, since it uses less digits than its factorization.

238805280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 238805280 is about 15453.3258556209. The cubic root of 238805280 is about 620.4135984658.

The spelling of 238805280 in words is "two hundred thirty-eight million, eight hundred five thousand, two hundred eighty".