463397209 has 6 divisors (see below), whose sum is σ = 509354090. Its totient is φ = 421270080.

The previous prime is 463397201. The next prime is 463397243. The reversal of 463397209 is 902793364.

It can be written as a sum of positive squares in only one way, i.e., 439112025 + 24285184 = 20955^2 + 4928^2 .

It is not a de Polignac number, because 463397209 - 2³ = 463397201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (463397201) 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 in 5 ways as a sum of consecutive naturals, for example, 1914744 + ... + 1914985.

Almost surely, 2^463397209 is an apocalyptic number.

It is an amenable number.

463397209 is a deficient number, since it is larger than the sum of its proper divisors (45956881).

463397209 is a wasteful number, since it uses less digits than its factorization.

463397209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3829751 (or 3829740 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 43.

The square root of 463397209 is about 21526.6627464640. The cubic root of 463397209 is about 773.8399343389.

The spelling of 463397209 in words is "four hundred sixty-three million, three hundred ninety-seven thousand, two hundred nine".