38891008 has 40 divisors (see below), whose sum is σ = 83697768. Its totient is φ = 17946624.

The previous prime is 38891003. The next prime is 38891009. The reversal of 38891008 is 80019883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38891003) 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, 3735 + ... + 9577.

Almost surely, 2^38891008 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 38891008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41848884).

38891008 is an abundant number, since it is smaller than the sum of its proper divisors (44806760).

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

38891008 is an equidigital number, since it uses as much as digits as its factorization.

38891008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5874 (or 5858 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 38891008 is about 6236.2655491889. The cubic root of 38891008 is about 338.8049393698.

The spelling of 38891008 in words is "thirty-eight million, eight hundred ninety-one thousand, eight".