9800816 has 20 divisors (see below), whose sum is σ = 19394592. Its totient is φ = 4795776.

The previous prime is 9800803. The next prime is 9800821. The reversal of 9800816 is 6180089.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5765 + ... + 7268.

Almost surely, 2^9800816 is an apocalyptic number.

It is an amenable number.

9800816 is a deficient number, since it is larger than the sum of its proper divisors (9593776).

9800816 is a wasteful number, since it uses less digits than its factorization.

9800816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13088 (or 13082 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 9800816 is about 3130.6254966061. The cubic root of 9800816 is about 214.0034354705.

The spelling of 9800816 in words is "nine million, eight hundred thousand, eight hundred sixteen".