238804460 has 24 divisors (see below), whose sum is σ = 503114976. Its totient is φ = 95212160.

The previous prime is 238804451. The next prime is 238804463. The reversal of 238804460 is 64408832.

It is a self number, because there is not a number n which added to its sum of digits gives 238804460.

It is not an unprimeable number, because it can be changed into a prime (238804463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12977 + ... + 25416.

It is an arithmetic number, because the mean of its divisors is an integer number (20963124).

Almost surely, 2^238804460 is an apocalyptic number.

238804460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238804460 is an abundant number, since it is smaller than the sum of its proper divisors (264310516).

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

238804460 is a wasteful number, since it uses less digits than its factorization.

238804460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38713 (or 38711 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 238804460 is about 15453.2993240926. The cubic root of 238804460 is about 620.4128883479.

The spelling of 238804460 in words is "two hundred thirty-eight million, eight hundred four thousand, four hundred sixty".