6390241 has 8 divisors (see below), whose sum is σ = 7507584. Its totient is φ = 5362320.

The previous prime is 6390239. The next prime is 6390257. The reversal of 6390241 is 1420936.

6390241 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6390241 - 2¹ = 6390239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6390211) 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, 22201 + ... + 22486.

It is an arithmetic number, because the mean of its divisors is an integer number (938448).

Almost surely, 2^6390241 is an apocalyptic number.

It is an amenable number.

6390241 is a deficient number, since it is larger than the sum of its proper divisors (1117343).

6390241 is a wasteful number, since it uses less digits than its factorization.

6390241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44711.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 6390241 is about 2527.8926005667. The cubic root of 6390241 is about 185.5691360347.

The spelling of 6390241 in words is "six million, three hundred ninety thousand, two hundred forty-one".