6620484 has 72 divisors (see below), whose sum is σ = 17649408. Its totient is φ = 1918080.

The previous prime is 6620461. The next prime is 6620489. The reversal of 6620484 is 4840266.

It is not an unprimeable number, because it can be changed into a prime (6620489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178914 + ... + 178950.

Almost surely, 2^6620484 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 6620484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8824704).

6620484 is an abundant number, since it is smaller than the sum of its proper divisors (11028924).

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

6620484 is a wasteful number, since it uses less digits than its factorization.

6620484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 6620484 is about 2573.0301203056. The cubic root of 6620484 is about 187.7716028246.

The spelling of 6620484 in words is "six million, six hundred twenty thousand, four hundred eighty-four".