2196828 has 24 divisors (see below), whose sum is σ = 5695760. Its totient is φ = 732240.

The previous prime is 2196809. The next prime is 2196829. The reversal of 2196828 is 8286912.

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

It is a junction number, because it is equal to n+sod(n) for n = 2196792 and 2196801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10063 + ... + 10278.

2^2196828 is an apocalyptic number.

It is an amenable number.

2196828 is an abundant number, since it is smaller than the sum of its proper divisors (3498932).

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

2196828 is a wasteful number, since it uses less digits than its factorization.

2196828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20354 (or 20346 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 2196828 is about 1482.1700307320. The cubic root of 2196828 is about 129.9966074065.

The spelling of 2196828 in words is "two million, one hundred ninety-six thousand, eight hundred twenty-eight".