6689454 has 8 divisors (see below), whose sum is σ = 13378920. Its totient is φ = 2229816.

The previous prime is 6689429. The next prime is 6689491. The reversal of 6689454 is 4549866.

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

6689454 is an admirable number.

It is a d-powerful number, because it can be written as 6⁷ + 6⁸ + 8 + 9⁶ + 4⁵ + 5⁵ + 4¹¹ .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 557449 + ... + 557460.

It is an arithmetic number, because the mean of its divisors is an integer number (1672365).

Almost surely, 2^6689454 is an apocalyptic number.

6689454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6689454 is a wasteful number, since it uses less digits than its factorization.

6689454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114914.

The product of its digits is 207360, while the sum is 42.

The square root of 6689454 is about 2586.3978812240. The cubic root of 6689454 is about 188.4213989334.

The spelling of 6689454 in words is "six million, six hundred eighty-nine thousand, four hundred fifty-four".