476645 has 8 divisors (see below), whose sum is σ = 616056. Its totient is φ = 351936.

The previous prime is 476639. The next prime is 476647. The reversal of 476645 is 546674.

It can be written as a sum of positive squares in 4 ways, for example, as 23716 + 452929 = 154^2 + 673^2 .

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

It is not a de Polignac number, because 476645 - 2¹⁰ = 475621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 476645.

It is not an unprimeable number, because it can be changed into a prime (476647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3602 + ... + 3731.

It is an arithmetic number, because the mean of its divisors is an integer number (77007).

2⁴⁷⁶⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

476645 is a deficient number, since it is larger than the sum of its proper divisors (139411).

476645 is a wasteful number, since it uses less digits than its factorization.

476645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7351.

The product of its digits is 20160, while the sum is 32.

The square root of 476645 is about 690.3948145808. The cubic root of 476645 is about 78.1145041900.

The spelling of 476645 in words is "four hundred seventy-six thousand, six hundred forty-five".