7689969 has 24 divisors (see below), whose sum is σ = 13041600. Its totient is φ = 4274208.

The previous prime is 7689961. The next prime is 7689971. The reversal of 7689969 is 9699867.

7689969 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7689969 - 2³ = 7689961 is a prime.

It is a super-2 number, since 2×7689969² = 118271246441922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7689961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 682 + ... + 3980.

It is an arithmetic number, because the mean of its divisors is an integer number (543400).

Almost surely, 2^7689969 is an apocalyptic number.

It is an amenable number.

7689969 is a deficient number, since it is larger than the sum of its proper divisors (5351631).

7689969 is a wasteful number, since it uses less digits than its factorization.

7689969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349 (or 3346 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 7689969 is about 2773.0793353238. The cubic root of 7689969 is about 197.3822959397.

The spelling of 7689969 in words is "seven million, six hundred eighty-nine thousand, nine hundred sixty-nine".