6340242 has 8 divisors (see below), whose sum is σ = 12680496. Its totient is φ = 2113412.

The previous prime is 6340237. The next prime is 6340247. The reversal of 6340242 is 2420436.

It is an interprime number because it is at equal distance from previous prime (6340237) and next prime (6340247).

It is a sphenic number, since it is the product of 3 distinct primes.

6340242 is an admirable number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6340247) 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, 528348 + ... + 528359.

It is an arithmetic number, because the mean of its divisors is an integer number (1585062).

Almost surely, 2^6340242 is an apocalyptic number.

6340242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6340242 is a wasteful number, since it uses less digits than its factorization.

6340242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056712.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 6340242 is about 2517.9837171833. The cubic root of 6340242 is about 185.0838869624.

Adding to 6340242 its reverse (2420436), we get a palindrome (8760678).

The spelling of 6340242 in words is "six million, three hundred forty thousand, two hundred forty-two".