6409546 has 32 divisors (see below), whose sum is σ = 11487168. Its totient is φ = 2643840.

The previous prime is 6409523. The next prime is 6409549. The reversal of 6409546 is 6459046.

It is a super-2 number, since 2×6409546² = 82164559852232, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6² + 4⁵ + 0 + 9⁶ + 5⁵ + 4¹¹ + 6⁸ .

It is not an unprimeable number, because it can be changed into a prime (6409549) 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, 20725 + ... + 21031.

It is an arithmetic number, because the mean of its divisors is an integer number (358974).

Almost surely, 2^6409546 is an apocalyptic number.

6409546 is a deficient number, since it is larger than the sum of its proper divisors (5077622).

6409546 is a wasteful number, since it uses less digits than its factorization.

6409546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 6409546 is about 2531.7081190374. The cubic root of 6409546 is about 185.7558170853.

The spelling of 6409546 in words is "six million, four hundred nine thousand, five hundred forty-six".