6449261 has 16 divisors (see below), whose sum is σ = 8012928. Its totient is φ = 5054400.

The previous prime is 6449257. The next prime is 6449309. The reversal of 6449261 is 1629446.

6449261 = T₂₄₆ + T₂₄₇ + ... + T₃₇₆.

It is a happy number.

It is not a de Polignac number, because 6449261 - 2² = 6449257 is a prime.

It is a super-2 number, since 2×6449261² = 83185934892242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6449161) 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 15 ways as a sum of consecutive naturals, for example, 11651 + ... + 12191.

It is an arithmetic number, because the mean of its divisors is an integer number (500808).

Almost surely, 2^6449261 is an apocalyptic number.

It is an amenable number.

6449261 is a deficient number, since it is larger than the sum of its proper divisors (1563667).

6449261 is a wasteful number, since it uses less digits than its factorization.

6449261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692.

The product of its digits is 10368, while the sum is 32.

The square root of 6449261 is about 2539.5395251896. The cubic root of 6449261 is about 186.1386891007.

The spelling of 6449261 in words is "six million, four hundred forty-nine thousand, two hundred sixty-one".