2040770 has 16 divisors (see below), whose sum is σ = 3716280. Its totient is φ = 806784.

The previous prime is 2040769. The next prime is 2040781. The reversal of 2040770 is 770402.

It can be written as a sum of positive squares in 4 ways, for example, as 1117249 + 923521 = 1057^2 + 961^2 .

It is an Ulam number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 257 + ... + 2036.

2^2040770 is an apocalyptic number.

2040770 is a deficient number, since it is larger than the sum of its proper divisors (1675510).

2040770 is a wasteful number, since it uses less digits than its factorization.

2040770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389.

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 2040770 is about 1428.5552141937. Note that the first 3 decimals coincide. The cubic root of 2040770 is about 126.8424690312.

The spelling of 2040770 in words is "two million, forty thousand, seven hundred seventy".