6621266 has 8 divisors (see below), whose sum is σ = 10143360. Its totient is φ = 3240148.

The previous prime is 6621239. The next prime is 6621281.

6621266 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 35126 + ... + 35313.

It is an arithmetic number, because the mean of its divisors is an integer number (1267920).

Almost surely, 2^6621266 is an apocalyptic number.

6621266 is a deficient number, since it is larger than the sum of its proper divisors (3522094).

6621266 is a wasteful number, since it uses less digits than its factorization.

6621266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70488.

The product of its digits is 5184, while the sum is 29.

The square root of 6621266 is about 2573.1820767291. The cubic root of 6621266 is about 187.7789956181.

The spelling of 6621266 in words is "six million, six hundred twenty-one thousand, two hundred sixty-six".