803643466 has 8 divisors (see below), whose sum is σ = 1217400804. Its totient is φ = 397843200.

The previous prime is 803643461. The next prime is 803643523. The reversal of 803643466 is 664346308.

803643466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 727866441 + 75777025 = 26979^2 + 8705^2 .

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

It is not an unprimeable number, because it can be changed into a prime (803643461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1989015 + ... + 1989418.

Almost surely, 2^803643466 is an apocalyptic number.

803643466 is a deficient number, since it is larger than the sum of its proper divisors (413757338).

803643466 is a wasteful number, since it uses less digits than its factorization.

803643466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3978536.

The product of its (nonzero) digits is 248832, while the sum is 40.

The square root of 803643466 is about 28348.6060680239. The cubic root of 803643466 is about 929.7249219205.

The spelling of 803643466 in words is "eight hundred three million, six hundred forty-three thousand, four hundred sixty-six".