38381748 has 48 divisors (see below), whose sum is σ = 95639040. Its totient is φ = 11944800.

The previous prime is 38381747. The next prime is 38381753. The reversal of 38381748 is 84718383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38381743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15003 + ... + 17373.

It is an arithmetic number, because the mean of its divisors is an integer number (1992480).

Almost surely, 2^38381748 is an apocalyptic number.

38381748 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 38381748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47819520).

38381748 is an abundant number, since it is smaller than the sum of its proper divisors (57257292).

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

38381748 is a wasteful number, since it uses less digits than its factorization.

38381748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468 (or 2466 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 38381748 is about 6195.3004769745. The cubic root of 38381748 is about 337.3196051044.

The spelling of 38381748 in words is "thirty-eight million, three hundred eighty-one thousand, seven hundred forty-eight".