238589780 has 48 divisors (see below), whose sum is σ = 588639744. Its totient is φ = 80085120.

The previous prime is 238589753. The next prime is 238589789. The reversal of 238589780 is 87985832.

238589780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238589789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38852 + ... + 44571.

It is an arithmetic number, because the mean of its divisors is an integer number (12263328).

Almost surely, 2^238589780 is an apocalyptic number.

238589780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238589780 is an abundant number, since it is smaller than the sum of its proper divisors (350049964).

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

238589780 is a wasteful number, since it uses less digits than its factorization.

238589780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83456 (or 83454 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The square root of 238589780 is about 15446.3516728061. The cubic root of 238589780 is about 620.2269200589.

The spelling of 238589780 in words is "two hundred thirty-eight million, five hundred eighty-nine thousand, seven hundred eighty".