6689463 has 32 divisors (see below), whose sum is σ = 10506240. Its totient is φ = 3742560.

The previous prime is 6689429. The next prime is 6689491. The reversal of 6689463 is 3649866.

It is not a de Polignac number, because 6689463 - 2⁶ = 6689399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6689413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29356 + ... + 29582.

It is an arithmetic number, because the mean of its divisors is an integer number (328320).

Almost surely, 2^6689463 is an apocalyptic number.

6689463 is a deficient number, since it is larger than the sum of its proper divisors (3816777).

6689463 is a wasteful number, since it uses less digits than its factorization.

6689463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307.

The product of its digits is 186624, while the sum is 42.

The square root of 6689463 is about 2586.3996210949. The cubic root of 6689463 is about 188.4214834342.

The spelling of 6689463 in words is "six million, six hundred eighty-nine thousand, four hundred sixty-three".