2198516 has 12 divisors (see below), whose sum is σ = 3860640. Its totient is φ = 1095480.

The previous prime is 2198513. The next prime is 2198527. The reversal of 2198516 is 6158912.

2198516 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 (2198513) 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 3 ways as a sum of consecutive naturals, for example, 671 + ... + 2201.

It is an arithmetic number, because the mean of its divisors is an integer number (321720).

2^2198516 is an apocalyptic number.

It is an amenable number.

2198516 is a deficient number, since it is larger than the sum of its proper divisors (1662124).

2198516 is a wasteful number, since it uses less digits than its factorization.

2198516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894 (or 1892 counting only the distinct ones).

The product of its digits is 4320, while the sum is 32.

The square root of 2198516 is about 1482.7393567313. The cubic root of 2198516 is about 130.0298945057.

The spelling of 2198516 in words is "two million, one hundred ninety-eight thousand, five hundred sixteen".