238637130 has 16 divisors (see below), whose sum is σ = 572729184. Its totient is φ = 63636560.

The previous prime is 238637089. The next prime is 238637137. The reversal of 238637130 is 31736832.

It is a junction number, because it is equal to n+sod(n) for n = 238637091 and 238637100.

It is not an unprimeable number, because it can be changed into a prime (238637137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3977256 + ... + 3977315.

It is an arithmetic number, because the mean of its divisors is an integer number (35795574).

Almost surely, 2^238637130 is an apocalyptic number.

238637130 is an abundant number, since it is smaller than the sum of its proper divisors (334092054).

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

238637130 is a wasteful number, since it uses less digits than its factorization.

238637130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7954581.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 238637130 is about 15447.8843211619. The cubic root of 238637130 is about 620.2679469658.

The spelling of 238637130 in words is "two hundred thirty-eight million, six hundred thirty-seven thousand, one hundred thirty".