2198924 has 36 divisors (see below), whose sum is σ = 4826304. Its totient is φ = 868896.

The previous prime is 2198909. The next prime is 2198981. The reversal of 2198924 is 4298912.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2117 + ... + 2979.

It is an arithmetic number, because the mean of its divisors is an integer number (134064).

2^2198924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2198924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2413152).

2198924 is an abundant number, since it is smaller than the sum of its proper divisors (2627380).

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

2198924 is a wasteful number, since it uses less digits than its factorization.

2198924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894 (or 885 counting only the distinct ones).

The product of its digits is 10368, while the sum is 35.

The square root of 2198924 is about 1482.8769335316. The cubic root of 2198924 is about 130.0379376456.

The spelling of 2198924 in words is "two million, one hundred ninety-eight thousand, nine hundred twenty-four".