38386688 has 44 divisors (see below), whose sum is σ = 80815560. Its totient is φ = 18173952.

The previous prime is 38386687. The next prime is 38386693. The reversal of 38386688 is 88668383.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38386687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18470 + ... + 20442.

Almost surely, 2^38386688 is an apocalyptic number.

38386688 is a gapful number since it is divisible by the number (38) 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 38386688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40407780).

38386688 is an abundant number, since it is smaller than the sum of its proper divisors (42428872).

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

38386688 is a wasteful number, since it uses less digits than its factorization.

38386688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012 (or 1994 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The square root of 38386688 is about 6195.6991534451. The cubic root of 38386688 is about 337.3340762828.

The spelling of 38386688 in words is "thirty-eight million, three hundred eighty-six thousand, six hundred eighty-eight".