476835409 has 2 divisors, whose sum is σ = 476835410. Its totient is φ = 476835408.

The previous prime is 476835349. The next prime is 476835421. The reversal of 476835409 is 904538674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 293368384 + 183467025 = 17128^2 + 13545^2 .

It is a cyclic number.

It is not a de Polignac number, because 476835409 - 2¹¹ = 476833361 is a prime.

It is not a weakly prime, because it can be changed into another prime (476835209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 238417704 + 238417705.

It is an arithmetic number, because the mean of its divisors is an integer number (238417705).

Almost surely, 2^476835409 is an apocalyptic number.

It is an amenable number.

476835409 is a deficient number, since it is larger than the sum of its proper divisors (1).

476835409 is an equidigital number, since it uses as much as digits as its factorization.

476835409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 476835409 is about 21836.5612906428. The cubic root of 476835409 is about 781.2490447007.

The spelling of 476835409 in words is "four hundred seventy-six million, eight hundred thirty-five thousand, four hundred nine".