405463 has 4 divisors (see below), whose sum is σ = 408520. Its totient is φ = 402408.

The previous prime is 405439. The next prime is 405473. The reversal of 405463 is 364504.

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 405463 - 2⁹ = 404951 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 (405413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1320 + ... + 1597.

It is an arithmetic number, because the mean of its divisors is an integer number (102130).

2⁴⁰⁵⁴⁶³ is an apocalyptic number.

405463 is a deficient number, since it is larger than the sum of its proper divisors (3057).

405463 is a wasteful number, since it uses less digits than its factorization.

405463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 405463 is about 636.7597663169. The cubic root of 405463 is about 74.0145454729.

Adding to 405463 its reverse (364504), we get a palindrome (769967).

It can be divided in two parts, 405 and 463, that added together give a palindrome (868).

The spelling of 405463 in words is "four hundred five thousand, four hundred sixty-three".