38813888 has 42 divisors (see below), whose sum is σ = 79337916. Its totient is φ = 18839808.

The previous prime is 38813843. The next prime is 38813893. The reversal of 38813888 is 88831883.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87395 + ... + 87837.

It is an arithmetic number, because the mean of its divisors is an integer number (1888998).

Almost surely, 2^38813888 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 38813888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39668958).

38813888 is an abundant number, since it is smaller than the sum of its proper divisors (40524028).

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

38813888 is an equidigital number, since it uses as much as digits as its factorization.

38813888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 482 counting only the distinct ones).

The product of its digits is 294912, while the sum is 47.

The square root of 38813888 is about 6230.0792932354. The cubic root of 38813888 is about 338.5808436370.

The spelling of 38813888 in words is "thirty-eight million, eight hundred thirteen thousand, eight hundred eighty-eight".