238625680 has 20 divisors (see below), whose sum is σ = 554804892. Its totient is φ = 95450240.

The previous prime is 238625671. The next prime is 238625683. The reversal of 238625680 is 86526832.

238625680 is digitally balanced in base 3, because in such base 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 98724096 + 139901584 = 9936^2 + 11828^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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

It is not an unprimeable number, because it can be changed into a prime (238625683) 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, 1491331 + ... + 1491490.

Almost surely, 2^238625680 is an apocalyptic number.

238625680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238625680 is an abundant number, since it is smaller than the sum of its proper divisors (316179212).

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

238625680 is a wasteful number, since it uses less digits than its factorization.

238625680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982834 (or 2982828 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 238625680 is about 15447.5137158055. The cubic root of 238625680 is about 620.2580264901.

The spelling of 238625680 in words is "two hundred thirty-eight million, six hundred twenty-five thousand, six hundred eighty".