6449941 has 4 divisors (see below), whose sum is σ = 6571692. Its totient is φ = 6328192.

The previous prime is 6449923. The next prime is 6450007. The reversal of 6449941 is 1499446.

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 4289041 + 2160900 = 2071^2 + 1470^2 .

It is a cyclic number.

It is not a de Polignac number, because 6449941 - 2⁵ = 6449909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6449941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6449921) 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, 60796 + ... + 60901.

It is an arithmetic number, because the mean of its divisors is an integer number (1642923).

Almost surely, 2^6449941 is an apocalyptic number.

It is an amenable number.

6449941 is a deficient number, since it is larger than the sum of its proper divisors (121751).

6449941 is a wasteful number, since it uses less digits than its factorization.

6449941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121750.

The product of its digits is 31104, while the sum is 37.

The square root of 6449941 is about 2539.6734041998. The cubic root of 6449941 is about 186.1452309283.

It can be divided in two parts, 644 and 9941, that added together give a triangular number (10585 = T₁₄₅).

The spelling of 6449941 in words is "six million, four hundred forty-nine thousand, nine hundred forty-one".