6340559 has 4 divisors (see below), whose sum is σ = 6369216. Its totient is φ = 6311904.

The previous prime is 6340519. The next prime is 6340567. The reversal of 6340559 is 9550436.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6340559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6340519) 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, 13994 + ... + 14439.

It is an arithmetic number, because the mean of its divisors is an integer number (1592304).

Almost surely, 2^6340559 is an apocalyptic number.

6340559 is a deficient number, since it is larger than the sum of its proper divisors (28657).

6340559 is a wasteful number, since it uses less digits than its factorization.

6340559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28656.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 6340559 is about 2518.0466635867. The cubic root of 6340559 is about 185.0869715247.

The spelling of 6340559 in words is "six million, three hundred forty thousand, five hundred fifty-nine".