38863616 has 72 divisors (see below), whose sum is σ = 87147984. Its totient is φ = 17141760.

The previous prime is 38863609. The next prime is 38863619. The reversal of 38863616 is 61636883.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (38863619) 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, 104006 + ... + 104378.

Almost surely, 2^38863616 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 38863616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43573992).

38863616 is an abundant number, since it is smaller than the sum of its proper divisors (48284368).

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

38863616 is a wasteful number, since it uses less digits than its factorization.

38863616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 423 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 38863616 is about 6234.0689761985. The cubic root of 38863616 is about 338.7253774944.

The spelling of 38863616 in words is "thirty-eight million, eight hundred sixty-three thousand, six hundred sixteen".