38839648 has 48 divisors (see below), whose sum is σ = 81285120. Its totient is φ = 18216576.

The previous prime is 38839607. The next prime is 38839693. The reversal of 38839648 is 84693883.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76965 + ... + 77467.

It is an arithmetic number, because the mean of its divisors is an integer number (1693440).

Almost surely, 2^38839648 is an apocalyptic number.

38839648 is a gapful number since it is divisible by the number (38) 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 38839648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40642560).

38839648 is an abundant number, since it is smaller than the sum of its proper divisors (42445472).

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

38839648 is a wasteful number, since it uses less digits than its factorization.

38839648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 651 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 38839648 is about 6232.1463397452. The cubic root of 38839648 is about 338.6557301805.

It can be divided in two parts, 3883 and 9648, that added together give a palindrome (13531).

The spelling of 38839648 in words is "thirty-eight million, eight hundred thirty-nine thousand, six hundred forty-eight".