6621002 has 16 divisors (see below), whose sum is σ = 10292832. Its totient is φ = 3191760.

The previous prime is 6620981. The next prime is 6621029. The reversal of 6621002 is 2001266.

6621002 is nontrivially palindromic in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9353 + ... + 10035.

It is an arithmetic number, because the mean of its divisors is an integer number (643302).

Almost surely, 2^6621002 is an apocalyptic number.

6621002 is a deficient number, since it is larger than the sum of its proper divisors (3671830).

6621002 is a wasteful number, since it uses less digits than its factorization.

6621002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 6621002 is about 2573.1307778658. The cubic root of 6621002 is about 187.7764999064.

Adding to 6621002 its reverse (2001266), we get a palindrome (8622268).

The spelling of 6621002 in words is "six million, six hundred twenty-one thousand, two".