4081855 has 8 divisors (see below), whose sum is σ = 4932000. Its totient is φ = 3242976.

The previous prime is 4081849. The next prime is 4081867. The reversal of 4081855 is 5581804.

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-4081855 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1995 + ... + 3484.

It is an arithmetic number, because the mean of its divisors is an integer number (616500).

Almost surely, 2^4081855 is an apocalyptic number.

4081855 is a deficient number, since it is larger than the sum of its proper divisors (850145).

4081855 is a wasteful number, since it uses less digits than its factorization.

4081855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5633.

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 4081855 is about 2020.3601164149. The cubic root of 4081855 is about 159.8156078913.

The spelling of 4081855 in words is "four million, eighty-one thousand, eight hundred fifty-five".