2198196 has 144 divisors (see below), whose sum is σ = 7582848. Its totient is φ = 518400.

The previous prime is 2198191. The next prime is 2198201. The reversal of 2198196 is 6918912.

It is an interprime number because it is at equal distance from previous prime (2198191) and next prime (2198201).

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2198196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198191) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36006 + ... + 36066.

2^2198196 is an apocalyptic number.

2198196 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2198196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3791424).

2198196 is an abundant number, since it is smaller than the sum of its proper divisors (5384652).

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

2198196 is a wasteful number, since it uses less digits than its factorization.

2198196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 97 counting only the distinct ones).

The product of its digits is 7776, while the sum is 36.

The square root of 2198196 is about 1482.6314444258. The cubic root of 2198196 is about 130.0235854643.

The spelling of 2198196 in words is "two million, one hundred ninety-eight thousand, one hundred ninety-six".