7098609 has 16 divisors (see below), whose sum is σ = 11386880. Its totient is φ = 3842640.

The previous prime is 7098607. The next prime is 7098613. The reversal of 7098609 is 9068907.

It is not a de Polignac number, because 7098609 - 2¹ = 7098607 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7098607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8497 + ... + 9294.

It is an arithmetic number, because the mean of its divisors is an integer number (711680).

Almost surely, 2^7098609 is an apocalyptic number.

It is an amenable number.

7098609 is a deficient number, since it is larger than the sum of its proper divisors (4288271).

7098609 is a wasteful number, since it uses less digits than its factorization.

7098609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17820.

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

The square root of 7098609 is about 2664.3214896104. The cubic root of 7098609 is about 192.1871818225.

The spelling of 7098609 in words is "seven million, ninety-eight thousand, six hundred nine".