2055904 has 24 divisors (see below), whose sum is σ = 4148928. Its totient is φ = 1002240.

The previous prime is 2055853. The next prime is 2055917. The reversal of 2055904 is 4095502.

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 3 ways as a sum of consecutive naturals, for example, 529 + ... + 2095.

It is an arithmetic number, because the mean of its divisors is an integer number (172872).

2^2055904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2055904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2074464).

2055904 is an abundant number, since it is smaller than the sum of its proper divisors (2093024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2055904 is a wasteful number, since it uses less digits than its factorization.

2055904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618 (or 1610 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2055904 is about 1433.8423902229. The cubic root of 2055904 is about 127.1552444631.

The spelling of 2055904 in words is "two million, fifty-five thousand, nine hundred four".