6623662 has 4 divisors (see below), whose sum is σ = 9935496. Its totient is φ = 3311830.

The previous prime is 6623611. The next prime is 6623707. The reversal of 6623662 is 2663266.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2663266 = 2 ⋅1331633.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1655914 + ... + 1655917.

It is an arithmetic number, because the mean of its divisors is an integer number (2483874).

Almost surely, 2^6623662 is an apocalyptic number.

6623662 is a deficient number, since it is larger than the sum of its proper divisors (3311834).

6623662 is a wasteful number, since it uses less digits than its factorization.

6623662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311833.

The product of its digits is 15552, while the sum is 31.

The square root of 6623662 is about 2573.6476060253. The cubic root of 6623662 is about 187.8016430602.

The spelling of 6623662 in words is "six million, six hundred twenty-three thousand, six hundred sixty-two".