38189616 has 60 divisors (see below), whose sum is σ = 104839272. Its totient is φ = 11976704.

The previous prime is 38189611. The next prime is 38189623. The reversal of 38189616 is 61698183.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (38189611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12496 + ... + 15248.

Almost surely, 2^38189616 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 38189616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52419636).

38189616 is an abundant number, since it is smaller than the sum of its proper divisors (66649656).

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

38189616 is a wasteful number, since it uses less digits than its factorization.

38189616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798 (or 2775 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 38189616 is about 6179.7747531767. The cubic root of 38189616 is about 336.7558099183.

The spelling of 38189616 in words is "thirty-eight million, one hundred eighty-nine thousand, six hundred sixteen".