9903822 has 8 divisors (see below), whose sum is σ = 19807656. Its totient is φ = 3301272.

The previous prime is 9903821. The next prime is 9903847. The reversal of 9903822 is 2283099.

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

9903822 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9903821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825313 + ... + 825324.

It is an arithmetic number, because the mean of its divisors is an integer number (2475957).

Almost surely, 2^9903822 is an apocalyptic number.

9903822 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.

9903822 is a wasteful number, since it uses less digits than its factorization.

9903822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650642.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 9903822 is about 3147.0338415721. The cubic root of 9903822 is about 214.7505453666.

The spelling of 9903822 in words is "nine million, nine hundred three thousand, eight hundred twenty-two".