9893816 has 8 divisors (see below), whose sum is σ = 18550920. Its totient is φ = 4946904.

The previous prime is 9893809. The next prime is 9893831. The reversal of 9893816 is 6183989.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 618356 + ... + 618371.

It is an arithmetic number, because the mean of its divisors is an integer number (2318865).

Almost surely, 2^9893816 is an apocalyptic number.

It is an amenable number.

9893816 is a deficient number, since it is larger than the sum of its proper divisors (8657104).

9893816 is a wasteful number, since it uses less digits than its factorization.

9893816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236733 (or 1236729 counting only the distinct ones).

The product of its digits is 93312, while the sum is 44.

The square root of 9893816 is about 3145.4436888935. The cubic root of 9893816 is about 214.6781989527.

The spelling of 9893816 in words is "nine million, eight hundred ninety-three thousand, eight hundred sixteen".