238704648 has 64 divisors (see below), whose sum is σ = 734482560. Its totient is φ = 62954496.

The previous prime is 238704647. The next prime is 238704677. The reversal of 238704648 is 846407832.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (238704643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52465 + ... + 56832.

It is an arithmetic number, because the mean of its divisors is an integer number (11476290).

Almost surely, 2^238704648 is an apocalyptic number.

238704648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

238704648 is an abundant number, since it is smaller than the sum of its proper divisors (495777912).

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

238704648 is a wasteful number, since it uses less digits than its factorization.

238704648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109326 (or 109322 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 238704648 is about 15450.0695144067. The cubic root of 238704648 is about 620.3264392636.

The spelling of 238704648 in words is "two hundred thirty-eight million, seven hundred four thousand, six hundred forty-eight".