38806004 has 24 divisors (see below), whose sum is σ = 69532008. Its totient is φ = 18944640.

The previous prime is 38806003. The next prime is 38806013. The reversal of 38806004 is 40060883.

It can be written as a sum of positive squares in 4 ways, for example, as 5513104 + 33292900 = 2348^2 + 5770^2 .

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38806003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37802 + ... + 38814.

It is an arithmetic number, because the mean of its divisors is an integer number (2897167).

Almost surely, 2^38806004 is an apocalyptic number.

It is an amenable number.

38806004 is a deficient number, since it is larger than the sum of its proper divisors (30726004).

38806004 is a wasteful number, since it uses less digits than its factorization.

38806004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235 (or 1233 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 38806004 is about 6229.4465243712. The cubic root of 38806004 is about 338.5579175465.

Adding to 38806004 its reverse (40060883), we get a palindrome (78866887).

The spelling of 38806004 in words is "thirty-eight million, eight hundred six thousand, four".