4040413 has 4 divisors (see below), whose sum is σ = 4351228. Its totient is φ = 3729600.

The previous prime is 4040411. The next prime is 4040419. The reversal of 4040413 is 3140404.

4040413 is nontrivially palindromic in base 9.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1340964 + 2699449 = 1158^2 + 1643^2 .

It is a cyclic number.

It is not a de Polignac number, because 4040413 - 2¹ = 4040411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040411) 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, 155388 + ... + 155413.

It is an arithmetic number, because the mean of its divisors is an integer number (1087807).

Almost surely, 2^4040413 is an apocalyptic number.

It is an amenable number.

4040413 is a deficient number, since it is larger than the sum of its proper divisors (310815).

4040413 is a wasteful number, since it uses less digits than its factorization.

4040413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310814.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4040413 is about 2010.0778591885. The cubic root of 4040413 is about 159.2729118350.

Adding to 4040413 its reverse (3140404), we get a palindrome (7180817).

Subtracting from 4040413 its reverse (3140404), we obtain a palindrome (900009).

The spelling of 4040413 in words is "four million, forty thousand, four hundred thirteen".