7098689 has 4 divisors (see below), whose sum is σ = 7644756. Its totient is φ = 6552624.

The previous prime is 7098677. The next prime is 7098691. The reversal of 7098689 is 9868907.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9868907 = 151 ⋅65357.

It can be written as a sum of positive squares in 2 ways, for example, as 297025 + 6801664 = 545^2 + 2608^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7098689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7098629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273014 + ... + 273039.

It is an arithmetic number, because the mean of its divisors is an integer number (1911189).

Almost surely, 2^7098689 is an apocalyptic number.

It is an amenable number.

7098689 is a deficient number, since it is larger than the sum of its proper divisors (546067).

7098689 is a wasteful number, since it uses less digits than its factorization.

7098689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546066.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 7098689 is about 2664.3365027714. The cubic root of 7098689 is about 192.1879037910.

The spelling of 7098689 in words is "seven million, ninety-eight thousand, six hundred eighty-nine".