803963964 has 12 divisors (see below), whose sum is σ = 1875915944. Its totient is φ = 267987984.

The previous prime is 803963933. The next prime is 803963977. The reversal of 803963964 is 469369308.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent 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, 33498487 + ... + 33498510.

Almost surely, 2^803963964 is an apocalyptic number.

It is an amenable number.

803963964 is an abundant number, since it is smaller than the sum of its proper divisors (1071951980).

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

803963964 is a wasteful number, since it uses less digits than its factorization.

803963964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66997004 (or 66997002 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 48.

The square root of 803963964 is about 28354.2583045299. The cubic root of 803963964 is about 929.8484988499.

The spelling of 803963964 in words is "eight hundred three million, nine hundred sixty-three thousand, nine hundred sixty-four".