238790860 has 96 divisors (see below), whose sum is σ = 658183680. Its totient is φ = 70502400.

The previous prime is 238790819. The next prime is 238790869. The reversal of 238790860 is 68097832.

It is not an unprimeable number, because it can be changed into a prime (238790869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25180 + ... + 33340.

It is an arithmetic number, because the mean of its divisors is an integer number (6856080).

Almost surely, 2^238790860 is an apocalyptic number.

238790860 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 238790860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (329091840).

238790860 is an abundant number, since it is smaller than the sum of its proper divisors (419392820).

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

238790860 is a wasteful number, since it uses less digits than its factorization.

238790860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8207 (or 8205 counting only the distinct ones).

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

The square root of 238790860 is about 15452.8592823464. The cubic root of 238790860 is about 620.4011105452.

The spelling of 238790860 in words is "two hundred thirty-eight million, seven hundred ninety thousand, eight hundred sixty".