6621246 has 24 divisors (see below), whose sum is σ = 14545440. Its totient is φ = 2176416.

The previous prime is 6621239. The next prime is 6621281. The reversal of 6621246 is 6421266.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1206 + ... + 3833.

It is an arithmetic number, because the mean of its divisors is an integer number (606060).

Almost surely, 2^6621246 is an apocalyptic number.

6621246 is an abundant number, since it is smaller than the sum of its proper divisors (7924194).

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

6621246 is a wasteful number, since it uses less digits than its factorization.

6621246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120 (or 5117 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 6621246 is about 2573.1781904874. The cubic root of 6621246 is about 187.7788065513.

It can be divided in two parts, 66 and 21246, that added together give a palindrome (21312).

The spelling of 6621246 in words is "six million, six hundred twenty-one thousand, two hundred forty-six".