38885616 has 240 divisors, whose sum is σ = 142490880. Its totient is φ = 10039680.

The previous prime is 38885611. The next prime is 38885621. The reversal of 38885616 is 61658883.

38885616 is a `hidden beast` number, since 3 + 8 + 88 + 561 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (38885611) and next prime (38885621).

It is a super-2 number, since 2×38885616² = 3024182263398912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38885611) 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 47 ways as a sum of consecutive naturals, for example, 232765 + ... + 232931.

It is an arithmetic number, because the mean of its divisors is an integer number (593712).

Almost surely, 2^38885616 is an apocalyptic number.

38885616 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38885616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71245440).

38885616 is an abundant number, since it is smaller than the sum of its proper divisors (103605264).

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

38885616 is a wasteful number, since it uses less digits than its factorization.

38885616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 190 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 38885616 is about 6235.8332241971. The cubic root of 38885616 is about 338.7892809030.

The spelling of 38885616 in words is "thirty-eight million, eight hundred eighty-five thousand, six hundred sixteen".