238034646 has 64 divisors (see below), whose sum is σ = 563328000. Its totient is φ = 74245248.

The previous prime is 238034617. The next prime is 238034669. The reversal of 238034646 is 646430832.

It is a happy number.

238034646 is a `hidden beast` number, since 2 + 3 + 8 + 0 + 3 + 4 + 646 = 666.

238034646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 238034646.

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, 182031 + ... + 183333.

It is an arithmetic number, because the mean of its divisors is an integer number (8802000).

Almost surely, 2^238034646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238034646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281664000).

238034646 is an abundant number, since it is smaller than the sum of its proper divisors (325293354).

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

238034646 is a wasteful number, since it uses less digits than its factorization.

238034646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530 (or 1524 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 238034646 is about 15428.3714629899. The cubic root of 238034646 is about 619.7455129692.

The spelling of 238034646 in words is "two hundred thirty-eight million, thirty-four thousand, six hundred forty-six".