2040772 has 12 divisors (see below), whose sum is σ = 3668140. Its totient is φ = 992736.

The previous prime is 2040769. The next prime is 2040781. The reversal of 2040772 is 2770402.

It can be written as a sum of positive squares in 2 ways, for example, as 1915456 + 125316 = 1384^2 + 354^2 .

It is an Ulam 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 3 ways as a sum of consecutive naturals, for example, 6747 + ... + 7042.

2^2040772 is an apocalyptic number.

It is an amenable number.

2040772 is a deficient number, since it is larger than the sum of its proper divisors (1627368).

2040772 is a wasteful number, since it uses less digits than its factorization.

2040772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13830 (or 13828 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 2040772 is about 1428.5559142015. Note that the first 3 decimals coincide. The cubic root of 2040772 is about 126.8425104673.

The spelling of 2040772 in words is "two million, forty thousand, seven hundred seventy-two".