2045434 has 16 divisors (see below), whose sum is σ = 3190176. Its totient is φ = 982800.

The previous prime is 2045377. The next prime is 2045437. The reversal of 2045434 is 4345402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2045437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9589 + ... + 9799.

It is an arithmetic number, because the mean of its divisors is an integer number (199386).

2^2045434 is an apocalyptic number.

2045434 is a deficient number, since it is larger than the sum of its proper divisors (1144742).

2045434 is a wasteful number, since it uses less digits than its factorization.

2045434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 2045434 is about 1430.1867010988. The cubic root of 2045434 is about 126.9390246072.

Subtracting 2045434 from its reverse (4345402), we obtain a cube (2299968 = 132³).

It can be divided in two parts, 20 and 45434, that added together give a palindrome (45454).

The spelling of 2045434 in words is "two million, forty-five thousand, four hundred thirty-four".