6621230 has 32 divisors (see below), whose sum is σ = 14860800. Its totient is φ = 2063520.

The previous prime is 6621191. The next prime is 6621233. The reversal of 6621230 is 321266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6621233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3530 + ... + 5069.

It is an arithmetic number, because the mean of its divisors is an integer number (464400).

Almost surely, 2^6621230 is an apocalyptic number.

6621230 is an abundant number, since it is smaller than the sum of its proper divisors (8239570).

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

6621230 is a wasteful number, since it uses less digits than its factorization.

6621230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8624.

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

The square root of 6621230 is about 2573.1750814898. The cubic root of 6621230 is about 187.7786552977.

Adding to 6621230 its reverse (321266), we get a palindrome (6942496).

The spelling of 6621230 in words is "six million, six hundred twenty-one thousand, two hundred thirty".