39488544 has 72 divisors (see below), whose sum is σ = 115944192. Its totient is φ = 12735360.

The previous prime is 39488521. The next prime is 39488549. The reversal of 39488544 is 44588493.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 39488544.

It is not an unprimeable number, because it can be changed into a prime (39488549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6717 + ... + 11139.

It is an arithmetic number, because the mean of its divisors is an integer number (1610336).

Almost surely, 2^39488544 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 39488544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57972096).

39488544 is an abundant number, since it is smaller than the sum of its proper divisors (76455648).

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

39488544 is a wasteful number, since it uses less digits than its factorization.

39488544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470 (or 4459 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 39488544 is about 6283.9910884724. The cubic root of 39488544 is about 340.5313031181.

The spelling of 39488544 in words is "thirty-nine million, four hundred eighty-eight thousand, five hundred forty-four".