38887744 has 56 divisors (see below), whose sum is σ = 89700608. Its totient is φ = 16381440.

The previous prime is 38887711. The next prime is 38887747. The reversal of 38887744 is 44778883.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38887747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26617 + ... + 28039.

Almost surely, 2^38887744 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 38887744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44850304).

38887744 is an abundant number, since it is smaller than the sum of its proper divisors (50812864).

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

38887744 is a wasteful number, since it uses less digits than its factorization.

38887744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503 (or 1493 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 49.

The square root of 38887744 is about 6236.0038486197. The cubic root of 38887744 is about 338.7954608269.

The spelling of 38887744 in words is "thirty-eight million, eight hundred eighty-seven thousand, seven hundred forty-four".