6623706 has 16 divisors (see below), whose sum is σ = 13293504. Its totient is φ = 2200224.

The previous prime is 6623611. The next prime is 6623707. The reversal of 6623706 is 6073266.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6623707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115 + ... + 3641.

It is an arithmetic number, because the mean of its divisors is an integer number (830844).

Almost surely, 2^6623706 is an apocalyptic number.

6623706 is an abundant number, since it is smaller than the sum of its proper divisors (6669798).

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

6623706 is a wasteful number, since it uses less digits than its factorization.

6623706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 6623706 is about 2573.6561541900. The cubic root of 6623706 is about 187.8020589054.

The spelling of 6623706 in words is "six million, six hundred twenty-three thousand, seven hundred six".