7690289 has 8 divisors (see below), whose sum is σ = 7824960. Its totient is φ = 7556976.

The previous prime is 7690283. The next prime is 7690297. The reversal of 7690289 is 9820967.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7690289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7690283) 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 7 ways as a sum of consecutive naturals, for example, 20102 + ... + 20480.

It is an arithmetic number, because the mean of its divisors is an integer number (978120).

Almost surely, 2^7690289 is an apocalyptic number.

It is an amenable number.

7690289 is a deficient number, since it is larger than the sum of its proper divisors (134671).

7690289 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (7690288) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (679).

7690289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 7690289 is about 2773.1370323156. The cubic root of 7690289 is about 197.3850337686.

The spelling of 7690289 in words is "seven million, six hundred ninety thousand, two hundred eighty-nine".