38009668 has 12 divisors (see below), whose sum is σ = 66629052. Its totient is φ = 18972800.

The previous prime is 38009641. The next prime is 38009669. The reversal of 38009668 is 86690083.

38009668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 20720704 + 17288964 = 4552^2 + 4158^2 .

It is a super-2 number, since 2×38009668² = 2889469722940448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38009668.

It is not an unprimeable number, because it can be changed into a prime (38009669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5233 + ... + 10168.

It is an arithmetic number, because the mean of its divisors is an integer number (5552421).

Almost surely, 2^38009668 is an apocalyptic number.

It is an amenable number.

38009668 is a deficient number, since it is larger than the sum of its proper divisors (28619384).

38009668 is a wasteful number, since it uses less digits than its factorization.

38009668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16022 (or 16020 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 38009668 is about 6165.1981314472. The cubic root of 38009668 is about 336.2260501730.

The spelling of 38009668 in words is "thirty-eight million, nine thousand, six hundred sixty-eight".