470405 has 8 divisors (see below), whose sum is σ = 607992. Its totient is φ = 347328.

The previous prime is 470399. The next prime is 470411. The reversal of 470405 is 504074.

It is an interprime number because it is at equal distance from previous prime (470399) and next prime (470411).

It can be written as a sum of positive squares in 4 ways, for example, as 20164 + 450241 = 142^2 + 671^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 470405 - 2⁴ = 470389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3554 + ... + 3683.

It is an arithmetic number, because the mean of its divisors is an integer number (75999).

2⁴⁷⁰⁴⁰⁵ is an apocalyptic number.

It is an amenable number.

470405 is a deficient number, since it is larger than the sum of its proper divisors (137587).

470405 is a wasteful number, since it uses less digits than its factorization.

470405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7255.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 470405 is about 685.8607730436. The cubic root of 470405 is about 77.7721269515.

Adding to 470405 its reverse (504074), we get a palindrome (974479).

The spelling of 470405 in words is "four hundred seventy thousand, four hundred five".