38809001 has 32 divisors (see below), whose sum is σ = 52254720. Its totient is φ = 27907200.

The previous prime is 38808997. The next prime is 38809003. The reversal of 38809001 is 10090883.

It is a happy number.

It is not a de Polignac number, because 38809001 - 2² = 38808997 is a prime.

It is a super-2 number, since 2×38809001² = 3012277117236002, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38809003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59660 + ... + 60306.

It is an arithmetic number, because the mean of its divisors is an integer number (1632960).

Almost surely, 2^38809001 is an apocalyptic number.

It is an amenable number.

38809001 is a deficient number, since it is larger than the sum of its proper divisors (13445719).

38809001 is a wasteful number, since it uses less digits than its factorization.

38809001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 38809001 is about 6229.6870707926. The cubic root of 38809001 is about 338.5666329672.

Adding to 38809001 its reverse (10090883), we get a palindrome (48899884).

The spelling of 38809001 in words is "thirty-eight million, eight hundred nine thousand, one".