2043465 has 16 divisors (see below), whose sum is σ = 3326400. Its totient is φ = 1070912.

The previous prime is 2043449. The next prime is 2043467. The reversal of 2043465 is 5643402.

It is a cyclic number.

It is not a de Polignac number, because 2043465 - 2⁴ = 2043449 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2043467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270 + ... + 2039.

It is an arithmetic number, because the mean of its divisors is an integer number (207900).

2^2043465 is an apocalyptic number.

It is an amenable number.

2043465 is a deficient number, since it is larger than the sum of its proper divisors (1282935).

2043465 is a wasteful number, since it uses less digits than its factorization.

2043465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2043465 is about 1429.4981636924. The cubic root of 2043465 is about 126.8982796792.

Adding to 2043465 its reverse (5643402), we get a palindrome (7686867).

The spelling of 2043465 in words is "two million, forty-three thousand, four hundred sixty-five".