2196880 has 40 divisors (see below), whose sum is σ = 5838912. Its totient is φ = 753024.

The previous prime is 2196871. The next prime is 2196881. The reversal of 2196880 is 886912.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2196881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1402 + ... + 2521.

2^2196880 is an apocalyptic number.

2196880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2196880 is an abundant number, since it is smaller than the sum of its proper divisors (3642032).

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

2196880 is a wasteful number, since it uses less digits than its factorization.

2196880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943 (or 3937 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 2196880 is about 1482.1875724752. The cubic root of 2196880 is about 129.9976330930.

The spelling of 2196880 in words is "two million, one hundred ninety-six thousand, eight hundred eighty".