238641606 has 64 divisors (see below), whose sum is σ = 632448000. Its totient is φ = 65216448.

The previous prime is 238641553. The next prime is 238641619. The reversal of 238641606 is 606146832.

238641606 is a `hidden beast` number, since 2 + 3 + 8 + 6 + 41 + 606 = 666.

238641606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×238641606² = 113899632228518472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5031 + ... + 22418.

It is an arithmetic number, because the mean of its divisors is an integer number (9882000).

Almost surely, 2^238641606 is an apocalyptic number.

238641606 is an abundant number, since it is smaller than the sum of its proper divisors (393806394).

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

238641606 is a wasteful number, since it uses less digits than its factorization.

238641606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27490 (or 27484 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 238641606 is about 15448.0291946902. The cubic root of 238641606 is about 620.2718249625.

The spelling of 238641606 in words is "two hundred thirty-eight million, six hundred forty-one thousand, six hundred six".