4321855 has 8 divisors (see below), whose sum is σ = 5197392. Its totient is φ = 3450048.

The previous prime is 4321831. The next prime is 4321871. The reversal of 4321855 is 5581234.

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

It is a cyclic number.

It is not a de Polignac number, because 4321855 - 2¹⁹ = 3797567 is a prime.

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, 4059 + ... + 5011.

It is an arithmetic number, because the mean of its divisors is an integer number (649674).

Almost surely, 2^4321855 is an apocalyptic number.

4321855 is a deficient number, since it is larger than the sum of its proper divisors (875537).

4321855 is an equidigital number, since it uses as much as digits as its factorization.

4321855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865.

The product of its digits is 4800, while the sum is 28.

The square root of 4321855 is about 2078.9071648344. The cubic root of 4321855 is about 162.8883649778. Note that the first 3 decimals are identical.

The spelling of 4321855 in words is "four million, three hundred twenty-one thousand, eight hundred fifty-five".