6923855 has 8 divisors (see below), whose sum is σ = 8322912. Its totient is φ = 5529568.

The previous prime is 6923821. The next prime is 6923869. The reversal of 6923855 is 5583296.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6923855 is a prime.

It is a super-2 number, since 2×6923855² = 95879536122050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4382 + ... + 5748.

It is an arithmetic number, because the mean of its divisors is an integer number (1040364).

Almost surely, 2^6923855 is an apocalyptic number.

6923855 is a deficient number, since it is larger than the sum of its proper divisors (1399057).

6923855 is a wasteful number, since it uses less digits than its factorization.

6923855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385.

The product of its digits is 64800, while the sum is 38.

The square root of 6923855 is about 2631.3219111314. The cubic root of 6923855 is about 190.5969681973.

The spelling of 6923855 in words is "six million, nine hundred twenty-three thousand, eight hundred fifty-five".