238979130 has 64 divisors (see below), whose sum is σ = 623887488. Its totient is φ = 58233600.

The previous prime is 238979129. The next prime is 238979137. The reversal of 238979130 is 31979832.

238979130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×238979130² = 114222049151113800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (238979137) 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, 36357 + ... + 42423.

It is an arithmetic number, because the mean of its divisors is an integer number (9748242).

Almost surely, 2^238979130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238979130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311943744).

238979130 is an abundant number, since it is smaller than the sum of its proper divisors (384908358).

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

238979130 is a wasteful number, since it uses less digits than its factorization.

238979130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6191.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 238979130 is about 15458.9498349662. The cubic root of 238979130 is about 620.5641154351.

The spelling of 238979130 in words is "two hundred thirty-eight million, nine hundred seventy-nine thousand, one hundred thirty".