38409638 has 8 divisors (see below), whose sum is σ = 58143360. Its totient is φ = 19028520.

The previous prime is 38409619. The next prime is 38409653. The reversal of 38409638 is 83690483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 38409595 and 38409604.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 87878 + ... + 88313.

It is an arithmetic number, because the mean of its divisors is an integer number (7267920).

Almost surely, 2^38409638 is an apocalyptic number.

38409638 is a deficient number, since it is larger than the sum of its proper divisors (19733722).

38409638 is a wasteful number, since it uses less digits than its factorization.

38409638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176302.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 38409638 is about 6197.5509679227. The cubic root of 38409638 is about 337.4012894680.

The spelling of 38409638 in words is "thirty-eight million, four hundred nine thousand, six hundred thirty-eight".