6340281 has 16 divisors (see below), whose sum is σ = 9119040. Its totient is φ = 3905280.

The previous prime is 6340273. The next prime is 6340297. The reversal of 6340281 is 1820436.

It is a happy number.

It is not a de Polignac number, because 6340281 - 2³ = 6340273 is a prime.

It is a super-2 number, since 2×6340281² = 80398326317922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6340261) 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 15 ways as a sum of consecutive naturals, for example, 981 + ... + 3693.

It is an arithmetic number, because the mean of its divisors is an integer number (569940).

Almost surely, 2^6340281 is an apocalyptic number.

It is an amenable number.

6340281 is a deficient number, since it is larger than the sum of its proper divisors (2778759).

6340281 is a wasteful number, since it uses less digits than its factorization.

6340281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2776.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 6340281 is about 2517.9914614629. The cubic root of 6340281 is about 185.0842664567.

The spelling of 6340281 in words is "six million, three hundred forty thousand, two hundred eighty-one".