2040434 has 16 divisors (see below), whose sum is σ = 3365280. Its totient is φ = 920160.

The previous prime is 2040433. The next prime is 2040443. The reversal of 2040434 is 4340402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040431) by changing a digit.

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, 3302 + ... + 3870.

It is an arithmetic number, because the mean of its divisors is an integer number (210330).

2^2040434 is an apocalyptic number.

2040434 is a deficient number, since it is larger than the sum of its proper divisors (1324846).

2040434 is a wasteful number, since it uses less digits than its factorization.

2040434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 2040434 is about 1428.4376080179. The cubic root of 2040434 is about 126.8355073764.

Adding to 2040434 its reverse (4340402), we get a palindrome (6380836).

Subtracting 2040434 from its reverse (4340402), we obtain a cube (2299968 = 132³).

The spelling of 2040434 in words is "two million, forty thousand, four hundred thirty-four".