6280665 has 16 divisors (see below), whose sum is σ = 10082688. Its totient is φ = 3338496.

The previous prime is 6280663. The next prime is 6280699. The reversal of 6280665 is 5660826.

It is not a de Polignac number, because 6280665 - 2¹ = 6280663 is a prime.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 6012 + ... + 6978.

It is an arithmetic number, because the mean of its divisors is an integer number (630168).

Almost surely, 2^6280665 is an apocalyptic number.

It is an amenable number.

6280665 is a deficient number, since it is larger than the sum of its proper divisors (3802023).

6280665 is a wasteful number, since it uses less digits than its factorization.

6280665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 6280665 is about 2506.1254956606. The cubic root of 6280665 is about 184.5023391130.

The spelling of 6280665 in words is "six million, two hundred eighty thousand, six hundred sixty-five".