4309855 has 16 divisors (see below), whose sum is σ = 5889024. Its totient is φ = 2997280.

The previous prime is 4309841. The next prime is 4309861. The reversal of 4309855 is 5589034.

It is not a de Polignac number, because 4309855 - 2⁹ = 4309343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4309855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 439 + ... + 2968.

It is an arithmetic number, because the mean of its divisors is an integer number (368064).

Almost surely, 2^4309855 is an apocalyptic number.

4309855 is a deficient number, since it is larger than the sum of its proper divisors (1579169).

4309855 is a wasteful number, since it uses less digits than its factorization.

4309855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3446.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 4309855 is about 2076.0190268878. The cubic root of 4309855 is about 162.7374674065.

The spelling of 4309855 in words is "four million, three hundred nine thousand, eight hundred fifty-five".