4090885 has 16 divisors (see below), whose sum is σ = 5151600. Its totient is φ = 3114496.

The previous prime is 4090861. The next prime is 4090901. The reversal of 4090885 is 5880904.

4090885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 933156 + 3157729 = 966^2 + 1777^2 .

It is a cyclic number.

It is not a de Polignac number, because 4090885 - 2¹³ = 4082693 is a prime.

4090885 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4090885.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12747 + ... + 13063.

It is an arithmetic number, because the mean of its divisors is an integer number (321975).

Almost surely, 2^4090885 is an apocalyptic number.

It is an amenable number.

4090885 is a deficient number, since it is larger than the sum of its proper divisors (1060715).

4090885 is a wasteful number, since it uses less digits than its factorization.

4090885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 4090885 is about 2022.5936319488. The cubic root of 4090885 is about 159.9333706947.

The spelling of 4090885 in words is "four million, ninety thousand, eight hundred eighty-five".