238613628 has 96 divisors (see below), whose sum is σ = 647136000. Its totient is φ = 67668480.

The previous prime is 238613593. The next prime is 238613657. The reversal of 238613628 is 826316832.

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, 222678 + ... + 223746.

It is an arithmetic number, because the mean of its divisors is an integer number (6741000).

Almost surely, 2^238613628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238613628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323568000).

238613628 is an abundant number, since it is smaller than the sum of its proper divisors (408522372).

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

238613628 is a wasteful number, since it uses less digits than its factorization.

238613628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195 (or 1193 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 238613628 is about 15447.1236157415. The cubic root of 238613628 is about 620.2475840884.

The spelling of 238613628 in words is "two hundred thirty-eight million, six hundred thirteen thousand, six hundred twenty-eight".