6449111 has 4 divisors (see below), whose sum is σ = 6454512. Its totient is φ = 6443712.

The previous prime is 6449099. The next prime is 6449117. The reversal of 6449111 is 1119446.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6449111 - 2¹⁸ = 6186967 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 (6449117) 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, 26 + ... + 3591.

It is an arithmetic number, because the mean of its divisors is an integer number (1613628).

Almost surely, 2^6449111 is an apocalyptic number.

6449111 is a deficient number, since it is larger than the sum of its proper divisors (5401).

6449111 is a wasteful number, since it uses less digits than its factorization.

6449111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5400.

The product of its digits is 864, while the sum is 26.

The square root of 6449111 is about 2539.5099921048. The cubic root of 6449111 is about 186.1372459886.

The spelling of 6449111 in words is "six million, four hundred forty-nine thousand, one hundred eleven".