6323749 has 4 divisors (see below), whose sum is σ = 6335980. Its totient is φ = 6311520.

The previous prime is 6323747. The next prime is 6323753. The reversal of 6323749 is 9473236.

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 4919524 + 1404225 = 2218^2 + 1185^2 .

It is a cyclic number.

It is not a de Polignac number, because 6323749 - 2¹ = 6323747 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 (6323741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5304 + ... + 6385.

It is an arithmetic number, because the mean of its divisors is an integer number (1583995).

Almost surely, 2^6323749 is an apocalyptic number.

It is an amenable number.

6323749 is a deficient number, since it is larger than the sum of its proper divisors (12231).

6323749 is a wasteful number, since it uses less digits than its factorization.

6323749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12230.

The product of its digits is 27216, while the sum is 34.

The square root of 6323749 is about 2514.7065435156. The cubic root of 6323749 is about 184.9232601125.

The spelling of 6323749 in words is "six million, three hundred twenty-three thousand, seven hundred forty-nine".