38809104 has 20 divisors (see below), whose sum is σ = 100256976. Its totient is φ = 12936352.

The previous prime is 38809087. The next prime is 38809129. The reversal of 38809104 is 40190883.

It is a super-2 number, since 2×38809104² = 3012293106565632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404214 + ... + 404309.

Almost surely, 2^38809104 is an apocalyptic number.

It is an amenable number.

38809104 is an abundant number, since it is smaller than the sum of its proper divisors (61447872).

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

38809104 is a wasteful number, since it uses less digits than its factorization.

38809104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808534 (or 808528 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 38809104 is about 6229.6953376550. The cubic root of 38809104 is about 338.5669324882.

Adding to 38809104 its reverse (40190883), we get a palindrome (78999987).

The spelling of 38809104 in words is "thirty-eight million, eight hundred nine thousand, one hundred four".