238097860 has 144 divisors (see below), whose sum is σ = 683726400. Its totient is φ = 68463360.

The previous prime is 238097851. The next prime is 238097897. The reversal of 238097860 is 68790832.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 139291 + ... + 140989.

It is an arithmetic number, because the mean of its divisors is an integer number (4748100).

Almost surely, 2^238097860 is an apocalyptic number.

238097860 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 238097860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341863200).

238097860 is an abundant number, since it is smaller than the sum of its proper divisors (445628540).

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

238097860 is a wasteful number, since it uses less digits than its factorization.

238097860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1746 (or 1737 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 238097860 is about 15430.4199553998. The cubic root of 238097860 is about 619.8003693049.

The spelling of 238097860 in words is "two hundred thirty-eight million, ninety-seven thousand, eight hundred sixty".