2198973 has 16 divisors (see below), whose sum is σ = 3420800. Its totient is φ = 1255968.

The previous prime is 2198909. The next prime is 2198981. The reversal of 2198973 is 3798912.

It is not a de Polignac number, because 2198973 - 2⁶ = 2198909 is a prime.

It is a Duffinian number.

2198973 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40 + ... + 2097.

It is an arithmetic number, because the mean of its divisors is an integer number (213800).

2^2198973 is an apocalyptic number.

It is an amenable number.

2198973 is a deficient number, since it is larger than the sum of its proper divisors (1221827).

2198973 is an equidigital number, since it uses as much as digits as its factorization.

2198973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2161 (or 2147 counting only the distinct ones).

The product of its digits is 27216, while the sum is 39.

The square root of 2198973 is about 1482.8934553770. The cubic root of 2198973 is about 130.0389035440.

The spelling of 2198973 in words is "two million, one hundred ninety-eight thousand, nine hundred seventy-three".