994816805 has 8 divisors (see below), whose sum is σ = 1219180032. Its totient is φ = 778920208.

The previous prime is 994816799. The next prime is 994816811. The reversal of 994816805 is 508618499.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (994816799) and next prime (994816811).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-994816805 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 2116397 + ... + 2116866.

It is an arithmetic number, because the mean of its divisors is an integer number (152397504).

Almost surely, 2^994816805 is an apocalyptic number.

It is an amenable number.

994816805 is a deficient number, since it is larger than the sum of its proper divisors (224363227).

994816805 is a wasteful number, since it uses less digits than its factorization.

994816805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4233315.

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 994816805 is about 31540.7166215354. The cubic root of 994816805 is about 998.2692746512.

The spelling of 994816805 in words is "nine hundred ninety-four million, eight hundred sixteen thousand, eight hundred five".