9902196 has 48 divisors (see below), whose sum is σ = 25842880. Its totient is φ = 3278880.

The previous prime is 9902183. The next prime is 9902203. The reversal of 9902196 is 6912099.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 9902196.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 29751 + ... + 30081.

Almost surely, 2^9902196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9902196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12921440).

9902196 is an abundant number, since it is smaller than the sum of its proper divisors (15940684).

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

9902196 is a wasteful number, since it uses less digits than its factorization.

9902196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 9902196 is about 3146.7754924684. The cubic root of 9902196 is about 214.7387922105.

The spelling of 9902196 in words is "nine million, nine hundred two thousand, one hundred ninety-six".