6620460 has 96 divisors (see below), whose sum is σ = 23127552. Its totient is φ = 1374720.

The previous prime is 6620441. The next prime is 6620461. The reversal of 6620460 is 640266.

It is a super-2 number, since 2×6620460² = 87660981223200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6620460.

It is not an unprimeable number, because it can be changed into a prime (6620461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3904 + ... + 5336.

It is an arithmetic number, because the mean of its divisors is an integer number (240912).

Almost surely, 2^6620460 is an apocalyptic number.

6620460 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 6620460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11563776).

6620460 is an abundant number, since it is smaller than the sum of its proper divisors (16507092).

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

6620460 is a wasteful number, since it uses less digits than its factorization.

6620460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463 (or 1461 counting only the distinct ones).

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

The square root of 6620460 is about 2573.0254565394. The cubic root of 6620460 is about 187.7713759266.

The spelling of 6620460 in words is "six million, six hundred twenty thousand, four hundred sixty".