38421271 has 4 divisors (see below), whose sum is σ = 43910032. Its totient is φ = 32932512.

The previous prime is 38421269. The next prime is 38421283. The reversal of 38421271 is 17212483.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38421271 - 2¹ = 38421269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38421371) 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 3 ways as a sum of consecutive naturals, for example, 2744370 + ... + 2744383.

It is an arithmetic number, because the mean of its divisors is an integer number (10977508).

Almost surely, 2^38421271 is an apocalyptic number.

38421271 is a deficient number, since it is larger than the sum of its proper divisors (5488761).

38421271 is an equidigital number, since it uses as much as digits as its factorization.

38421271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5488760.

The product of its digits is 2688, while the sum is 28.

The square root of 38421271 is about 6198.4894127521. The cubic root of 38421271 is about 337.4353485672.

The spelling of 38421271 in words is "thirty-eight million, four hundred twenty-one thousand, two hundred seventy-one".