38904234 has 16 divisors (see below), whose sum is σ = 78062400. Its totient is φ = 12925760.

The previous prime is 38904221. The next prime is 38904253. The reversal of 38904234 is 43240983.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 38904195 and 38904204.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8559 + ... + 12290.

It is an arithmetic number, because the mean of its divisors is an integer number (4878900).

Almost surely, 2^38904234 is an apocalyptic number.

38904234 is an abundant number, since it is smaller than the sum of its proper divisors (39158166).

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

38904234 is a wasteful number, since it uses less digits than its factorization.

38904234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21165.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 38904234 is about 6237.3258693129. The cubic root of 38904234 is about 338.8433417879.

The spelling of 38904234 in words is "thirty-eight million, nine hundred four thousand, two hundred thirty-four".