2196846 has 36 divisors (see below), whose sum is σ = 4957056. Its totient is φ = 703080.

The previous prime is 2196841. The next prime is 2196853. The reversal of 2196846 is 6486912.

It is a super-2 number, since 2×2196846² = 9652264695432, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2²¹ + 1 + 9⁵ + 6² + 8⁵ + 4³ + 6⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 2196846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196841) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 17235 + ... + 17361.

It is an arithmetic number, because the mean of its divisors is an integer number (137696).

2^2196846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2196846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2478528).

2196846 is an abundant number, since it is smaller than the sum of its proper divisors (2760210).

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

2196846 is a wasteful number, since it uses less digits than its factorization.

2196846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 163 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 2196846 is about 1482.1761028974. The cubic root of 2196846 is about 129.9969624537.

The spelling of 2196846 in words is "two million, one hundred ninety-six thousand, eight hundred forty-six".