6388141 has 4 divisors (see below), whose sum is σ = 6763932. Its totient is φ = 6012352.

The previous prime is 6388121. The next prime is 6388189. The reversal of 6388141 is 1418836.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6002500 + 385641 = 2450^2 + 621^2 .

It is a cyclic number.

It is not a de Polignac number, because 6388141 - 2¹⁵ = 6355373 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 (6388121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187870 + ... + 187903.

It is an arithmetic number, because the mean of its divisors is an integer number (1690983).

Almost surely, 2^6388141 is an apocalyptic number.

It is an amenable number.

6388141 is a deficient number, since it is larger than the sum of its proper divisors (375791).

6388141 is a wasteful number, since it uses less digits than its factorization.

6388141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375790.

The product of its digits is 4608, while the sum is 31.

The square root of 6388141 is about 2527.4772006885. The cubic root of 6388141 is about 185.5488061869.

The spelling of 6388141 in words is "six million, three hundred eighty-eight thousand, one hundred forty-one".