2005790 has 8 divisors (see below), whose sum is σ = 3610440. Its totient is φ = 802312.

The previous prime is 2005789. The next prime is 2005799. The reversal of 2005790 is 975002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005799) by changing a digit.

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, 100280 + ... + 100299.

It is an arithmetic number, because the mean of its divisors is an integer number (451305).

2^2005790 is an apocalyptic number.

2005790 is a deficient number, since it is larger than the sum of its proper divisors (1604650).

2005790 is a wasteful number, since it uses less digits than its factorization.

2005790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200586.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 2005790 is about 1416.2591570754. The cubic root of 2005790 is about 126.1135702321.

The spelling of 2005790 in words is "two million, five thousand, seven hundred ninety".