6344999 has 4 divisors (see below), whose sum is σ = 6403320. Its totient is φ = 6286680.

The previous prime is 6344983. The next prime is 6345007. The reversal of 6344999 is 9994436.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 6344999 - 2⁴ = 6344983 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 (6344909) 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, 28997 + ... + 29214.

It is an arithmetic number, because the mean of its divisors is an integer number (1600830).

Almost surely, 2^6344999 is an apocalyptic number.

6344999 is a deficient number, since it is larger than the sum of its proper divisors (58321).

6344999 is a wasteful number, since it uses less digits than its factorization.

6344999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58320.

The product of its digits is 209952, while the sum is 44.

The square root of 6344999 is about 2518.9281450649. The cubic root of 6344999 is about 185.1301640575.

The spelling of 6344999 in words is "six million, three hundred forty-four thousand, nine hundred ninety-nine".