463686397 has 2 divisors, whose sum is σ = 463686398. Its totient is φ = 463686396.

The previous prime is 463686359. The next prime is 463686403. The reversal of 463686397 is 793686364.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 445589881 + 18096516 = 21109^2 + 4254^2 .

It is a cyclic number.

It is not a de Polignac number, because 463686397 - 2¹¹ = 463684349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (463686497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231843198 + 231843199.

It is an arithmetic number, because the mean of its divisors is an integer number (231843199).

Almost surely, 2^463686397 is an apocalyptic number.

It is an amenable number.

463686397 is a deficient number, since it is larger than the sum of its proper divisors (1).

463686397 is an equidigital number, since it uses as much as digits as its factorization.

463686397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 52.

The square root of 463686397 is about 21533.3786712629. The cubic root of 463686397 is about 774.0008752358. Note that the first 3 decimals are identical.

The spelling of 463686397 in words is "four hundred sixty-three million, six hundred eighty-six thousand, three hundred ninety-seven".