6349279 has 4 divisors (see below), whose sum is σ = 6722784. Its totient is φ = 5975776.

The previous prime is 6349271. The next prime is 6349283. The reversal of 6349279 is 9729436.

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 6349279 - 2³ = 6349271 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

6349279 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6349271) 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 3 ways as a sum of consecutive naturals, for example, 186727 + ... + 186760.

It is an arithmetic number, because the mean of its divisors is an integer number (1680696).

Almost surely, 2^6349279 is an apocalyptic number.

6349279 is a deficient number, since it is larger than the sum of its proper divisors (373505).

6349279 is a wasteful number, since it uses less digits than its factorization.

6349279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373504.

The product of its digits is 81648, while the sum is 40.

The square root of 6349279 is about 2519.7775695486. Note that the first 3 decimals coincide. The cubic root of 6349279 is about 185.1717810333.

The spelling of 6349279 in words is "six million, three hundred forty-nine thousand, two hundred seventy-nine".