7989289 has 16 divisors (see below), whose sum is σ = 10285056. Its totient is φ = 6022800.

The previous prime is 7989251. The next prime is 7989323. The reversal of 7989289 is 9829897.

It is not a de Polignac number, because 7989289 - 2¹¹ = 7987241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7989589) 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, 714 + ... + 4060.

It is an arithmetic number, because the mean of its divisors is an integer number (642816).

Almost surely, 2^7989289 is an apocalyptic number.

It is an amenable number.

7989289 is a deficient number, since it is larger than the sum of its proper divisors (2295767).

7989289 is a wasteful number, since it uses less digits than its factorization.

7989289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396.

The product of its digits is 653184, while the sum is 52.

The square root of 7989289 is about 2826.5330353633. The cubic root of 7989289 is about 199.9107018018.

The spelling of 7989289 in words is "seven million, nine hundred eighty-nine thousand, two hundred eighty-nine".