38658648 has 96 divisors (see below), whose sum is σ = 114255360. Its totient is φ = 10866240.

The previous prime is 38658619. The next prime is 38658691. The reversal of 38658648 is 84685683.

It is a junction number, because it is equal to n+sod(n) for n = 38658597 and 38658606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83265 + ... + 83727.

It is an arithmetic number, because the mean of its divisors is an integer number (1190160).

Almost surely, 2^38658648 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 38658648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57127680).

38658648 is an abundant number, since it is smaller than the sum of its proper divisors (75596712).

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

38658648 is a wasteful number, since it uses less digits than its factorization.

38658648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557 (or 546 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 38658648 is about 6217.6079001494. The cubic root of 38658648 is about 338.1288445915.

The spelling of 38658648 in words is "thirty-eight million, six hundred fifty-eight thousand, six hundred forty-eight".