6006620 has 12 divisors (see below), whose sum is σ = 12613944. Its totient is φ = 2402640.

The previous prime is 6006619. The next prime is 6006631. The reversal of 6006620 is 266006.

6006620 = 863² + 864² + ... + 870².

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 300331 = 6006620 / (6 + 0 + 0 + 6 + 6 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 6006592 and 6006601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150146 + ... + 150185.

It is an arithmetic number, because the mean of its divisors is an integer number (1051162).

Almost surely, 2^6006620 is an apocalyptic number.

It is an amenable number.

6006620 is an abundant number, since it is smaller than the sum of its proper divisors (6607324).

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

6006620 is a wasteful number, since it uses less digits than its factorization.

6006620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300340 (or 300338 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 6006620 is about 2450.8406720960. The cubic root of 6006620 is about 181.7788643772.

The spelling of 6006620 in words is "six million, six thousand, six hundred twenty".