2198673 has 6 divisors (see below), whose sum is σ = 3175874. Its totient is φ = 1465776.

The previous prime is 2198671. The next prime is 2198689. The reversal of 2198673 is 3768912.

It can be written as a sum of positive squares in only one way, i.e., 1979649 + 219024 = 1407^2 + 468^2 .

It is not a de Polignac number, because 2198673 - 2¹ = 2198671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2198671) 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, 122140 + ... + 122157.

2^2198673 is an apocalyptic number.

It is an amenable number.

2198673 is a deficient number, since it is larger than the sum of its proper divisors (977201).

2198673 is a wasteful number, since it uses less digits than its factorization.

2198673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244303 (or 244300 counting only the distinct ones).

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

The square root of 2198673 is about 1482.7922983345. The cubic root of 2198673 is about 130.0329896552.

The spelling of 2198673 in words is "two million, one hundred ninety-eight thousand, six hundred seventy-three".