238338720 has 96 divisors (see below), whose sum is σ = 834200640. Its totient is φ = 63555840.

The previous prime is 238338703. The next prime is 238338743. The reversal of 238338720 is 27833832.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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, 23266 + ... + 31905.

It is an arithmetic number, because the mean of its divisors is an integer number (8689590).

Almost surely, 2^238338720 is an apocalyptic number.

238338720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238338720 is an abundant number, since it is smaller than the sum of its proper divisors (595861920).

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

238338720 is a wasteful number, since it uses less digits than its factorization.

238338720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55195 (or 55181 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 238338720 is about 15438.2226956344. Note that the first 3 decimals coincide. The cubic root of 238338720 is about 620.0092957330.

The spelling of 238338720 in words is "two hundred thirty-eight million, three hundred thirty-eight thousand, seven hundred twenty".