6821260 has 12 divisors (see below), whose sum is σ = 14324688. Its totient is φ = 2728496.

The previous prime is 6821257. The next prime is 6821261. The reversal of 6821260 is 621286.

It is not an unprimeable number, because it can be changed into a prime (6821261) 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, 170512 + ... + 170551.

It is an arithmetic number, because the mean of its divisors is an integer number (1193724).

Almost surely, 2^6821260 is an apocalyptic number.

It is an amenable number.

6821260 is an abundant number, since it is smaller than the sum of its proper divisors (7503428).

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

6821260 is a wasteful number, since it uses less digits than its factorization.

6821260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341072 (or 341070 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 6821260 is about 2611.7541997669. The cubic root of 6821260 is about 189.6508824488.

The spelling of 6821260 in words is "six million, eight hundred twenty-one thousand, two hundred sixty".