6406260 has 72 divisors (see below), whose sum is σ = 20875680. Its totient is φ = 1463616.

The previous prime is 6406247. The next prime is 6406307. The reversal of 6406260 is 626046.

It is a self number, because there is not a number n which added to its sum of digits gives 6406260.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1851 + ... + 4029.

It is an arithmetic number, because the mean of its divisors is an integer number (289940).

Almost surely, 2^6406260 is an apocalyptic number.

6406260 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6406260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10437840).

6406260 is an abundant number, since it is smaller than the sum of its proper divisors (14469420).

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

6406260 is a wasteful number, since it uses less digits than its factorization.

6406260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2205 (or 2196 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 6406260 is about 2531.0590668730. The cubic root of 6406260 is about 185.7240676730.

It can be divided in two parts, 6406 and 260, that added together give a palindrome (6666).

The spelling of 6406260 in words is "six million, four hundred six thousand, two hundred sixty".