4045911 has 4 divisors (see below), whose sum is σ = 5394552. Its totient is φ = 2697272.

The previous prime is 4045891. The next prime is 4045927. The reversal of 4045911 is 1195404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4045911 - 2⁹ = 4045399 is a prime.

It is a D-number.

4045911 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4045961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674316 + ... + 674321.

It is an arithmetic number, because the mean of its divisors is an integer number (1348638).

Almost surely, 2^4045911 is an apocalyptic number.

4045911 is a deficient number, since it is larger than the sum of its proper divisors (1348641).

4045911 is a wasteful number, since it uses less digits than its factorization.

4045911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348640.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 4045911 is about 2011.4450029767. The cubic root of 4045911 is about 159.3451227347.

It can be divided in two parts, 40459 and 11, that added together give a triangular number (40470 = T₂₈₄).

The spelling of 4045911 in words is "four million, forty-five thousand, nine hundred eleven".