6621060 has 48 divisors (see below), whose sum is σ = 18680256. Its totient is φ = 1752192.

The previous prime is 6621029. The next prime is 6621061. The reversal of 6621060 is 601266.

It is not an unprimeable number, because it can be changed into a prime (6621061) 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, 9442 + ... + 10118.

It is an arithmetic number, because the mean of its divisors is an integer number (389172).

Almost surely, 2^6621060 is an apocalyptic number.

6621060 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 6621060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9340128).

6621060 is an abundant number, since it is smaller than the sum of its proper divisors (12059196).

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

6621060 is a wasteful number, since it uses less digits than its factorization.

6621060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 6621060 is about 2573.1420481582. The cubic root of 6621060 is about 187.7770482124. Note that the first 3 decimals are identical.

The spelling of 6621060 in words is "six million, six hundred twenty-one thousand, sixty".