4049855 has 8 divisors (see below), whose sum is σ = 4881600. Its totient is φ = 3225376.

The previous prime is 4049833. The next prime is 4049873. The reversal of 4049855 is 5589404.

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 4049855 - 2¹⁰ = 4048831 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 500 + ... + 2889.

It is an arithmetic number, because the mean of its divisors is an integer number (610200).

Almost surely, 2^4049855 is an apocalyptic number.

4049855 is a deficient number, since it is larger than the sum of its proper divisors (831745).

4049855 is a wasteful number, since it uses less digits than its factorization.

4049855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3633.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 4049855 is about 2012.4251538877. The cubic root of 4049855 is about 159.3968830647.

The spelling of 4049855 in words is "four million, forty-nine thousand, eight hundred fifty-five".