38647616 has 56 divisors (see below), whose sum is σ = 88245696. Its totient is φ = 16450560.

The previous prime is 38647603. The next prime is 38647619. The reversal of 38647616 is 61674683.

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 (38647619) 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, 125735 + ... + 126041.

It is an arithmetic number, because the mean of its divisors is an integer number (1575816).

Almost surely, 2^38647616 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 38647616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44122848).

38647616 is an abundant number, since it is smaller than the sum of its proper divisors (49598080).

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

38647616 is a wasteful number, since it uses less digits than its factorization.

38647616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607 (or 597 counting only the distinct ones).

The product of its digits is 145152, while the sum is 41.

The square root of 38647616 is about 6216.7206789432. The cubic root of 38647616 is about 338.0966776422.

The spelling of 38647616 in words is "thirty-eight million, six hundred forty-seven thousand, six hundred sixteen".