7098209 has 2 divisors, whose sum is σ = 7098210. Its totient is φ = 7098208.

The previous prime is 7098199. The next prime is 7098227. The reversal of 7098209 is 9028907.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6615184 + 483025 = 2572^2 + 695^2 .

It is a cyclic number.

It is not a de Polignac number, because 7098209 - 2⁴ = 7098193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7098239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3549104 + 3549105.

It is an arithmetic number, because the mean of its divisors is an integer number (3549105).

Almost surely, 2^7098209 is an apocalyptic number.

It is an amenable number.

7098209 is a deficient number, since it is larger than the sum of its proper divisors (1).

7098209 is an equidigital number, since it uses as much as digits as its factorization.

7098209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 7098209 is about 2664.2464225368. The cubic root of 7098209 is about 192.1835718985.

The spelling of 7098209 in words is "seven million, ninety-eight thousand, two hundred nine".