7689816 has 40 divisors (see below), whose sum is σ = 21540420. Its totient is φ = 2563056.

The previous prime is 7689793. The next prime is 7689817. The reversal of 7689816 is 6189867.

It is a happy number.

It is a super-2 number, since 2×7689816² = 118266540227712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7689817) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5286 + ... + 6581.

Almost surely, 2^7689816 is an apocalyptic number.

It is an amenable number.

7689816 is an abundant number, since it is smaller than the sum of its proper divisors (13850604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7689816 is a wasteful number, since it uses less digits than its factorization.

7689816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11885 (or 11872 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 7689816 is about 2773.0517485254. The cubic root of 7689816 is about 197.3809868884.

The spelling of 7689816 in words is "seven million, six hundred eighty-nine thousand, eight hundred sixteen".