3998196 has 72 divisors (see below), whose sum is σ = 11007360. Its totient is φ = 1218816.

The previous prime is 3998191. The next prime is 3998209. The reversal of 3998196 is 6918993.

3998196 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3998191) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 28695 + ... + 28833.

It is an arithmetic number, because the mean of its divisors is an integer number (152880).

Almost surely, 2^3998196 is an apocalyptic number.

3998196 is a gapful number since it is divisible by the number (36) 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 3998196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5503680).

3998196 is an abundant number, since it is smaller than the sum of its proper divisors (7009164).

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

3998196 is a wasteful number, since it uses less digits than its factorization.

3998196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 208 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 3998196 is about 1999.5489491383. The cubic root of 3998196 is about 158.7162376792.

The spelling of 3998196 in words is "three million, nine hundred ninety-eight thousand, one hundred ninety-six".