6409256 has 16 divisors (see below), whose sum is σ = 13734240. Its totient is φ = 2746800.

The previous prime is 6409253. The next prime is 6409267. The reversal of 6409256 is 6529046.

It is not an unprimeable number, because it can be changed into a prime (6409253) 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, 57170 + ... + 57281.

It is an arithmetic number, because the mean of its divisors is an integer number (858390).

Almost surely, 2^6409256 is an apocalyptic number.

It is an amenable number.

6409256 is an abundant number, since it is smaller than the sum of its proper divisors (7324984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6409256 is a wasteful number, since it uses less digits than its factorization.

6409256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114464 (or 114460 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 6409256 is about 2531.6508448046. The cubic root of 6409256 is about 185.7530155348.

The spelling of 6409256 in words is "six million, four hundred nine thousand, two hundred fifty-six".