238441780 has 12 divisors (see below), whose sum is σ = 500727780. Its totient is φ = 95376704.

The previous prime is 238441757. The next prime is 238441781. The reversal of 238441780 is 87144832.

238441780 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 31427236 + 207014544 = 5606^2 + 14388^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238441781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5961025 + ... + 5961064.

It is an arithmetic number, because the mean of its divisors is an integer number (41727315).

Almost surely, 2^238441780 is an apocalyptic number.

238441780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238441780 is an abundant number, since it is smaller than the sum of its proper divisors (262286000).

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

238441780 is a wasteful number, since it uses less digits than its factorization.

238441780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11922098 (or 11922096 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 238441780 is about 15441.5601543367. The cubic root of 238441780 is about 620.0986488885.

The spelling of 238441780 in words is "two hundred thirty-eight million, four hundred forty-one thousand, seven hundred eighty".