6280668 has 36 divisors (see below), whose sum is σ = 16150680. Its totient is φ = 2057376.

The previous prime is 6280663. The next prime is 6280699. The reversal of 6280668 is 8660826.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6280661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 646 + ... + 3602.

It is an arithmetic number, because the mean of its divisors is an integer number (448630).

Almost surely, 2^6280668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6280668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8075340).

6280668 is an abundant number, since it is smaller than the sum of its proper divisors (9870012).

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

6280668 is a wasteful number, since it uses less digits than its factorization.

6280668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026 (or 3021 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 6280668 is about 2506.1260941940. The cubic root of 6280668 is about 184.5023684892.

The spelling of 6280668 in words is "six million, two hundred eighty thousand, six hundred sixty-eight".