470845 has 4 divisors (see below), whose sum is σ = 565020. Its totient is φ = 376672.

The previous prime is 470837. The next prime is 470863. The reversal of 470845 is 548074.

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 127449 + 343396 = 357^2 + 586^2 .

It is a cyclic number.

It is not a de Polignac number, because 470845 - 2³ = 470837 is a prime.

470845 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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, 47080 + ... + 47089.

It is an arithmetic number, because the mean of its divisors is an integer number (141255).

2⁴⁷⁰⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

470845 is a deficient number, since it is larger than the sum of its proper divisors (94175).

470845 is an equidigital number, since it uses as much as digits as its factorization.

470845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94174.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 470845 is about 686.1814628799. The cubic root of 470845 is about 77.7963678164.

It can be divided in two parts, 47084 and 5, that added together give a square (47089 = 217²).

The spelling of 470845 in words is "four hundred seventy thousand, eight hundred forty-five".