9800812 has 12 divisors (see below), whose sum is σ = 19601680. Its totient is φ = 4200336.

The previous prime is 9800803. The next prime is 9800821. The reversal of 9800812 is 2180089.

It is an interprime number because it is at equal distance from previous prime (9800803) and next prime (9800821).

9800812 is an admirable number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 350029 = 9800812 / (9 + 8 + 0 + 0 + 8 + 1 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174987 + ... + 175042.

Almost surely, 2^9800812 is an apocalyptic number.

It is an amenable number.

9800812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9800812 is a wasteful number, since it uses less digits than its factorization.

9800812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350040 (or 350038 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 9800812 is about 3130.6248577560. The cubic root of 9800812 is about 214.0034063568.

The spelling of 9800812 in words is "nine million, eight hundred thousand, eight hundred twelve".