476445689 has 6 divisors (see below), whose sum is σ = 506120814. Its totient is φ = 448419200.

The previous prime is 476445661. The next prime is 476445701. The reversal of 476445689 is 986544674.

It can be written as a sum of positive squares in 3 ways, for example, as 338265664 + 138180025 = 18392^2 + 11755^2 .

It is not a de Polignac number, because 476445689 - 2⁸ = 476445433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 476445689.

It is not an unprimeable number, because it can be changed into a prime (476445659) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 824012 + ... + 824589.

It is an arithmetic number, because the mean of its divisors is an integer number (84353469).

Almost surely, 2^476445689 is an apocalyptic number.

It is an amenable number.

476445689 is a deficient number, since it is larger than the sum of its proper divisors (29675125).

476445689 is a wasteful number, since it uses less digits than its factorization.

476445689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648635 (or 1648618 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 53.

The square root of 476445689 is about 21827.6359003901. The cubic root of 476445689 is about 781.0361470862.

The spelling of 476445689 in words is "four hundred seventy-six million, four hundred forty-five thousand, six hundred eighty-nine".