6406241 has 4 divisors (see below), whose sum is σ = 6542592. Its totient is φ = 6269892.

The previous prime is 6406219. The next prime is 6406247. The reversal of 6406241 is 1426046.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6406241 - 2⁶ = 6406177 is a prime.

It is a d-powerful number, because it can be written as 6⁵ + 4⁴ + 0 + 6⁸ + 2¹⁹ + 4¹¹ + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6406247) 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, 68105 + ... + 68198.

It is an arithmetic number, because the mean of its divisors is an integer number (1635648).

Almost surely, 2^6406241 is an apocalyptic number.

It is an amenable number.

6406241 is a deficient number, since it is larger than the sum of its proper divisors (136351).

6406241 is a wasteful number, since it uses less digits than its factorization.

6406241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136350.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 6406241 is about 2531.0553135007. The cubic root of 6406241 is about 185.7238840629.

The spelling of 6406241 in words is "six million, four hundred six thousand, two hundred forty-one".