38807808 has 144 divisors (see below), whose sum is σ = 116753280. Its totient is φ = 11421696.

The previous prime is 38807803. The next prime is 38807837. The reversal of 38807808 is 80870883.

It is a self number, because there is not a number n which added to its sum of digits gives 38807808.

It is not an unprimeable number, because it can be changed into a prime (38807803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1687285 + ... + 1687307.

Almost surely, 2^38807808 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 38807808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58376640).

38807808 is an abundant number, since it is smaller than the sum of its proper divisors (77945472).

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

38807808 is an equidigital number, since it uses as much as digits as its factorization.

38807808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 38807808 is about 6229.5913188587. The cubic root of 38807808 is about 338.5631637194.

The spelling of 38807808 in words is "thirty-eight million, eight hundred seven thousand, eight hundred eight".