2198736 has 30 divisors (see below), whose sum is σ = 6153810. Its totient is φ = 732864.

The previous prime is 2198723. The next prime is 2198747. The reversal of 2198736 is 6378912.

2198736 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1838736 + 360000 = 1356^2 + 600^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2198736.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7491 + ... + 7778.

It is an arithmetic number, because the mean of its divisors is an integer number (205127).

2^2198736 is an apocalyptic number.

It is an amenable number.

2198736 is an abundant number, since it is smaller than the sum of its proper divisors (3955074).

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

2198736 is a wasteful number, since it uses less digits than its factorization.

2198736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15283 (or 15274 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 2198736 is about 1482.8135418858. The cubic root of 2198736 is about 130.0342316165.

The spelling of 2198736 in words is "two million, one hundred ninety-eight thousand, seven hundred thirty-six".