2054805 has 8 divisors (see below), whose sum is σ = 3287712. Its totient is φ = 1095888.

The previous prime is 2054791. The next prime is 2054821. The reversal of 2054805 is 5084502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2054805 - 2¹⁹ = 1530517 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 (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68479 + ... + 68508.

It is an arithmetic number, because the mean of its divisors is an integer number (410964).

2^2054805 is an apocalyptic number.

It is an amenable number.

2054805 is a deficient number, since it is larger than the sum of its proper divisors (1232907).

2054805 is a wasteful number, since it uses less digits than its factorization.

2054805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136995.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 2054805 is about 1433.4591030092. The cubic root of 2054805 is about 127.1325831389.

The spelling of 2054805 in words is "two million, fifty-four thousand, eight hundred five".