470645 has 24 divisors (see below), whose sum is σ = 701784. Its totient is φ = 301056.

The previous prime is 470627. The next prime is 470647. The reversal of 470645 is 546074.

It can be written as a sum of positive squares in 4 ways, for example, as 9604 + 461041 = 98^2 + 679^2 .

It is not a de Polignac number, because 470645 - 2⁸ = 470389 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 (470647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4109 + ... + 4221.

It is an arithmetic number, because the mean of its divisors is an integer number (29241).

It is the magic constant of a 98 × 98 magic square.

2⁴⁷⁰⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

470645 is a deficient number, since it is larger than the sum of its proper divisors (231139).

470645 is a wasteful number, since it uses less digits than its factorization.

470645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 470645 is about 686.0357133561. The cubic root of 470645 is about 77.7853511144.

The spelling of 470645 in words is "four hundred seventy thousand, six hundred forty-five".