38987568 has 100 divisors (see below), whose sum is σ = 114780600. Its totient is φ = 12773376.

The previous prime is 38987551. The next prime is 38987569. The reversal of 38987568 is 86578983.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (38987569) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 86608 + ... + 87056.

It is an arithmetic number, because the mean of its divisors is an integer number (1147806).

Almost surely, 2^38987568 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 38987568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57390300).

38987568 is an abundant number, since it is smaller than the sum of its proper divisors (75793032).

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

38987568 is a wasteful number, since it uses less digits than its factorization.

38987568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 521 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 38987568 is about 6244.0025624594. The cubic root of 38987568 is about 339.0851066765.

The spelling of 38987568 in words is "thirty-eight million, nine hundred eighty-seven thousand, five hundred sixty-eight".