476684321 has 2 divisors, whose sum is σ = 476684322. Its totient is φ = 476684320.

The previous prime is 476684311. The next prime is 476684353. The reversal of 476684321 is 123486674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290225296 + 186459025 = 17036^2 + 13655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-476684321 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (476684311) 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 as a sum of consecutive naturals, namely, 238342160 + 238342161.

It is an arithmetic number, because the mean of its divisors is an integer number (238342161).

Almost surely, 2^476684321 is an apocalyptic number.

It is an amenable number.

476684321 is a deficient number, since it is larger than the sum of its proper divisors (1).

476684321 is an equidigital number, since it uses as much as digits as its factorization.

476684321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 41.

The square root of 476684321 is about 21833.1014974969. The cubic root of 476684321 is about 781.1665215893.

The spelling of 476684321 in words is "four hundred seventy-six million, six hundred eighty-four thousand, three hundred twenty-one".