238171104 has 144 divisors (see below), whose sum is σ = 711350640. Its totient is φ = 78382080.

The previous prime is 238171097. The next prime is 238171127. The reversal of 238171104 is 401171832.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 847444 + ... + 847724.

It is an arithmetic number, because the mean of its divisors is an integer number (4939935).

Almost surely, 2^238171104 is an apocalyptic number.

238171104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238171104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355675320).

238171104 is an abundant number, since it is smaller than the sum of its proper divisors (473179536).

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

238171104 is a wasteful number, since it uses less digits than its factorization.

238171104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 238171104 is about 15432.7931366943. The cubic root of 238171104 is about 619.8639174108.

The spelling of 238171104 in words is "two hundred thirty-eight million, one hundred seventy-one thousand, one hundred four".