6344749 has 4 divisors (see below), whose sum is σ = 6359836. Its totient is φ = 6329664.

The previous prime is 6344747. The next prime is 6344759. The reversal of 6344749 is 9474436.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2829124 + 3515625 = 1682^2 + 1875^2 .

It is a cyclic number.

It is not a de Polignac number, because 6344749 - 2¹ = 6344747 is a prime.

It is a d-powerful number, because it can be written as 6⁶ + 3³ + 4¹⁰ + 4¹⁰ + 7² + 4¹¹ + 9⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6344747) 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, 6894 + ... + 7759.

It is an arithmetic number, because the mean of its divisors is an integer number (1589959).

Almost surely, 2^6344749 is an apocalyptic number.

It is an amenable number.

6344749 is a deficient number, since it is larger than the sum of its proper divisors (15087).

6344749 is a wasteful number, since it uses less digits than its factorization.

6344749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15086.

The product of its digits is 72576, while the sum is 37.

The square root of 6344749 is about 2518.8785202943. The cubic root of 6344749 is about 185.1277325810.

The spelling of 6344749 in words is "six million, three hundred forty-four thousand, seven hundred forty-nine".