476409389 has 8 divisors (see below), whose sum is σ = 481836600. Its totient is φ = 470992896.

The previous prime is 476409359. The next prime is 476409397. The reversal of 476409389 is 983904674.

It can be written as a sum of positive squares in 4 ways, for example, as 1605289 + 474804100 = 1267^2 + 21790^2 .

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 476409389 - 2⁸ = 476409133 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 (476409359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115637 + ... + 119685.

It is an arithmetic number, because the mean of its divisors is an integer number (60229575).

Almost surely, 2^476409389 is an apocalyptic number.

It is an amenable number.

476409389 is a deficient number, since it is larger than the sum of its proper divisors (5427211).

476409389 is a wasteful number, since it uses less digits than its factorization.

476409389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5359.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 476409389 is about 21826.8043698568. The cubic root of 476409389 is about 781.0163110847.

The spelling of 476409389 in words is "four hundred seventy-six million, four hundred nine thousand, three hundred eighty-nine".