238722880 has 56 divisors (see below), whose sum is σ = 620146080. Its totient is φ = 86807040.

The previous prime is 238722877. The next prime is 238722889. The reversal of 238722880 is 88227832.

It is a happy number.

238722880 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 2×238722880² = 113977226870988800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238722889) 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, 30390 + ... + 37429.

Almost surely, 2^238722880 is an apocalyptic number.

238722880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238722880 is an abundant number, since it is smaller than the sum of its proper divisors (381423200).

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

238722880 is a wasteful number, since it uses less digits than its factorization.

238722880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67847 (or 67837 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 238722880 is about 15450.6595328484. The cubic root of 238722880 is about 620.3422321466.

The spelling of 238722880 in words is "two hundred thirty-eight million, seven hundred twenty-two thousand, eight hundred eighty".