6623854 has 4 divisors (see below), whose sum is σ = 9935784. Its totient is φ = 3311926.

The previous prime is 6623833. The next prime is 6623857. The reversal of 6623854 is 4583266.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 6 + 6⁷ + 2²¹ + 3⁹ + 8⁵ + 5 + 4¹¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6623857) 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 as a sum of consecutive naturals, namely, 1655962 + ... + 1655965.

It is an arithmetic number, because the mean of its divisors is an integer number (2483946).

Almost surely, 2^6623854 is an apocalyptic number.

6623854 is a deficient number, since it is larger than the sum of its proper divisors (3311930).

6623854 is a wasteful number, since it uses less digits than its factorization.

6623854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311929.

The product of its digits is 34560, while the sum is 34.

The square root of 6623854 is about 2573.6849068991. The cubic root of 6623854 is about 187.8034576439.

The spelling of 6623854 in words is "six million, six hundred twenty-three thousand, eight hundred fifty-four".