6388241 has 4 divisors (see below), whose sum is σ = 6406692. Its totient is φ = 6369792.

The previous prime is 6388219. The next prime is 6388253. The reversal of 6388241 is 1428836.

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 1635841 + 4752400 = 1279^2 + 2180^2 .

It is a cyclic number.

It is not a de Polignac number, because 6388241 - 2¹⁰ = 6387217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6388198 and 6388207.

It is not an unprimeable number, because it can be changed into a prime (6388211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8696 + ... + 9401.

It is an arithmetic number, because the mean of its divisors is an integer number (1601673).

Almost surely, 2^6388241 is an apocalyptic number.

It is an amenable number.

6388241 is a deficient number, since it is larger than the sum of its proper divisors (18451).

6388241 is a wasteful number, since it uses less digits than its factorization.

6388241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18450.

The product of its digits is 9216, while the sum is 32.

The square root of 6388241 is about 2527.4969831832. The cubic root of 6388241 is about 185.5497743759.

It can be divided in two parts, 63882 and 41, that multiplied together give a palindrome (2619162).

The spelling of 6388241 in words is "six million, three hundred eighty-eight thousand, two hundred forty-one".