38619616 has 48 divisors (see below), whose sum is σ = 88560864. Its totient is φ = 16233984.

The previous prime is 38619577. The next prime is 38619629. The reversal of 38619616 is 61691683.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10246 + ... + 13498.

It is an arithmetic number, because the mean of its divisors is an integer number (1845018).

Almost surely, 2^38619616 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 38619616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44280432).

38619616 is an abundant number, since it is smaller than the sum of its proper divisors (49941248).

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

38619616 is a wasteful number, since it uses less digits than its factorization.

38619616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3323 (or 3315 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 38619616 is about 6214.4682797485. The cubic root of 38619616 is about 338.0150081451.

It can be divided in two parts, 386 and 19616, that added together give a palindrome (20002).

The spelling of 38619616 in words is "thirty-eight million, six hundred nineteen thousand, six hundred sixteen".