238868280 has 96 divisors (see below), whose sum is σ = 887234400. Its totient is φ = 54597888.

The previous prime is 238868269. The next prime is 238868281. The reversal of 238868280 is 82868832.

238868280 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238868281) 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, 44875 + ... + 49914.

It is an arithmetic number, because the mean of its divisors is an integer number (9242025).

Almost surely, 2^238868280 is an apocalyptic number.

238868280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238868280 is an abundant number, since it is smaller than the sum of its proper divisors (648366120).

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

238868280 is a wasteful number, since it uses less digits than its factorization.

238868280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94813 (or 94806 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 238868280 is about 15455.3641173542. The cubic root of 238868280 is about 620.4681514473.

The spelling of 238868280 in words is "two hundred thirty-eight million, eight hundred sixty-eight thousand, two hundred eighty".