396463866 has 8 divisors (see below), whose sum is σ = 792927744. Its totient is φ = 132154620.

The previous prime is 396463841. The next prime is 396463897. The reversal of 396463866 is 668364693.

It is a sphenic number, since it is the product of 3 distinct primes.

396463866 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 33038650 + ... + 33038661.

It is an arithmetic number, because the mean of its divisors is an integer number (99115968).

Almost surely, 2^396463866 is an apocalyptic number.

396463866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

396463866 is a wasteful number, since it uses less digits than its factorization.

396463866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66077316.

The product of its digits is 3359232, while the sum is 51.

The square root of 396463866 is about 19911.4004027843. The cubic root of 396463866 is about 734.6286652196.

The spelling of 396463866 in words is "three hundred ninety-six million, four hundred sixty-three thousand, eight hundred sixty-six".