2198349 has 6 divisors (see below), whose sum is σ = 3175406. Its totient is φ = 1465560.

The previous prime is 2198347. The next prime is 2198359. The reversal of 2198349 is 9438912.

It can be written as a sum of positive squares in only one way, i.e., 2196324 + 2025 = 1482^2 + 45^2 .

It is not a de Polignac number, because 2198349 - 2¹ = 2198347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198347) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122122 + ... + 122139.

2^2198349 is an apocalyptic number.

It is an amenable number.

2198349 is a deficient number, since it is larger than the sum of its proper divisors (977057).

2198349 is a wasteful number, since it uses less digits than its factorization.

2198349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244267 (or 244264 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 2198349 is about 1482.6830409767. The cubic root of 2198349 is about 130.0266020511.

The spelling of 2198349 in words is "two million, one hundred ninety-eight thousand, three hundred forty-nine".