404413543 has 4 divisors (see below), whose sum is σ = 405794088. Its totient is φ = 403033000.

The previous prime is 404413519. The next prime is 404413601. The reversal of 404413543 is 345314404.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404413543 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 (404413343) 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, 689833 + ... + 690418.

It is an arithmetic number, because the mean of its divisors is an integer number (101448522).

Almost surely, 2^404413543 is an apocalyptic number.

404413543 is a deficient number, since it is larger than the sum of its proper divisors (1380545).

404413543 is a wasteful number, since it uses less digits than its factorization.

404413543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380544.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 404413543 is about 20110.0358776408. The cubic root of 404413543 is about 739.5063319261.

Adding to 404413543 its reverse (345314404), we get a palindrome (749727947).

The spelling of 404413543 in words is "four hundred four million, four hundred thirteen thousand, five hundred forty-three".