38638103 has 8 divisors (see below), whose sum is σ = 44287872. Its totient is φ = 33020856.

The previous prime is 38638087. The next prime is 38638133. The reversal of 38638103 is 30183683.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 38638103 - 2⁴ = 38638087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38638103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38638133) 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, 5525 + ... + 10382.

It is an arithmetic number, because the mean of its divisors is an integer number (5535984).

Almost surely, 2^38638103 is an apocalyptic number.

38638103 is a deficient number, since it is larger than the sum of its proper divisors (5649769).

38638103 is a wasteful number, since it uses less digits than its factorization.

38638103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16261.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 38638103 is about 6215.9555178589. The cubic root of 38638103 is about 338.0689348562.

The spelling of 38638103 in words is "thirty-eight million, six hundred thirty-eight thousand, one hundred three".