803964811 has 8 divisors (see below), whose sum is σ = 880002704. Its totient is φ = 729954720.

The previous prime is 803964773. The next prime is 803964893. The reversal of 803964811 is 118469308.

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

It is a cyclic number.

It is not a de Polignac number, because 803964811 - 2⁹ = 803964299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (803964611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506121 + ... + 507706.

It is an arithmetic number, because the mean of its divisors is an integer number (110000338).

Almost surely, 2^803964811 is an apocalyptic number.

803964811 is a deficient number, since it is larger than the sum of its proper divisors (76037893).

803964811 is a wasteful number, since it uses less digits than its factorization.

803964811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013901.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 803964811 is about 28354.2732405541. The cubic root of 803964811 is about 929.8488253908.

The spelling of 803964811 in words is "eight hundred three million, nine hundred sixty-four thousand, eight hundred eleven".